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912 results on '"ZIMMERMANN, ALEXANDER"'

2. Differential graded division algebras, their modules, and dg-simple algebras

Author

Zimmermann, Alexander

Subjects
Mathematics - Rings and Algebras, Mathematics - Representation Theory, 16E45
Abstract

We give the definition of a dg-division algebra, that is a concept of a differential graded algebra which may serve as an analogue of a division algebra. Using this concept, we study their dg-modules, give examples when they occur and study their relation to dg-simple algebras.

Published
2024

3. Ore Localisation for differential graded rings; Towards Goldie's theorem for differential graded algebras

Author

Zimmermann, Alexander

Subjects
Mathematics - Rings and Algebras, Mathematics - K-Theory and Homology, Mathematics - Representation Theory, Primary: 16E45, Secondary: 16N40, 16N60, 16W50
Abstract

We study Ore localisation of differential graded algebras. Further we define dg-prime rings, dg-semiprime rings, and study the dg-nil radical of dg-rings. Then, we define dg-essential submodules, dg-uniform dimension, and apply all this to a dg-version of Goldie's theorem on prime dg-rings.

Published
2023

4. Differential graded orders, their class groups and id\`eles

Author

Zimmermann, Alexander

Subjects
Mathematics - Rings and Algebras, Mathematics - K-Theory and Homology, Mathematics - Representation Theory, 16E45, 16H10, 11R29
Abstract

For a Dedekind domain $R$ with field of fractions $K$ a classical $R$-order in a semisimple $K$-algebra $A$ is an $R$-projective $R$-subalgebra $\Lambda$ of $A$ such that $K\Lambda=A$. We study differential graded $K$-algebras which are semisimple as $K$-algebras and define differential graded $R$-orders as a differential graded $R$-subalgebras, which are in addition classical $R$-orders in $A$. We give a series of examples for such differential graded algebras and orders. We show that any differential graded $R$-order is contained in a maximal differential graded order. We develop parts of the classical ring theory in the differential graded setting, in particular the properties of analogues of the Jacobson radical. We further define class groups of differential graded orders as subgroups of the Grothendieck group of locally free differential graded modules. We define id\`eles in this setting showing that these id\`ele groups are isomorphic to the differential graded class group. Finally we give a homomorphism to the class group of the homology of the differential graded order and prove a Mayer-Vietoris like sequence for each central idempotent of $A$, including the analogous one for the kernel groups of these morphisms.

Published
2023

6. Differential graded Brauer groups

Author

Zimmermann, Alexander

Subjects
Mathematics - Rings and Algebras, Mathematics - Representation Theory
Abstract

We consider central simple $K$-algebras which happen to bedifferential graded $K$-algebras. Two such algebras $A$ and $B$are considered equivalent if there are bounded complexes of finite dimensional$K$-vector spaces $C_A$ and $C_B$ such that the differential graded algebras $A\otimes_K {\rm End}_K^\bullet(C_A)$ and $B\otimes_K {\rm End}_K^\bullet(C_B)$ are isomorphic.Equivalence classes form an abelian group, which we call thedg Brauer group.We prove that this group is isomorphic to the ordinary Brauer group of the field $K$.

Published
2023

8. Clifford's theorem for orbit categories

Author

Zimmermann, Alexander

Subjects
Mathematics - Representation Theory, Mathematics - Category Theory, Mathematics - Group Theory, Mathematics - Rings and Algebras, 18C20 (Primary), 20C05, 16E40 (Secondary)
Abstract

Clifford theory relates the representation theory of finite groups to those of a fixed normal subgroup by means of induction and restriction, which is an adjoint pair of functors. We generalize this result to the situation of a Krull-Schmidt category on which a finite group acts as automorphisms. This then provides the orbit category introduced by Cibils and Marcos, and studied intensively by Keller in the context of cluster algebras, and by Asashiba in the context of Galois covering functors. We formulate and prove Clifford's theorem for Krull-Schmidt orbit categories with respect to a finite group $\Gamma$ of automorphisms, clarifying this way how the image of an indecomposable object in the original category decomposes in the orbit category. The pair of adjoint functors appears as the Kleisli category of the naturally appearing monad given by $\Gamma$.

Published
2022

10. Correction: Completing the view – histologic insights from circular AAA specimen including 3D imaging: A methodologic approach towards histologic analysis of circumferential AAA samples

Author

Menges, Anna-Leonie, Nackenhorst, Maja, Müller, Johannes R., Engl, Marie-Luise, Hegenloh, Renate, Pelisek, Jaroslav, Geibelt, Ellen, Hofmann, Anja, Reeps, Christian, Biro, Gabor, Eckstein, Hans-Henning, Zimmermann, Alexander, Magee, Derek, Falk, Martin, Sachs, Nadja, and Busch, Albert

Published
2023
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11. Completing the view – histologic insights from circular AAA specimen including 3D imaging: A methodologic approach towards histologic analysis of circumferential AAA samples

Author

Menges, Anna-Leonie, Nackenhorst, Maja, Müller, Johannes R., Engl, Marie-Luise, Hegenloh, Renate, Pelisek, Jaroslav, Geibelt, Ellen, Hofmann, Anja, Reeps, Christian, Biro, Gabor, Eckstein, Hans-Henning, Zimmermann, Alexander, Magee, Derek, Falk, Martin, Sachs, Nadja, and Busch, Albert

Published
2023
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13. The sac evolution imaging follow-up after endovascular aortic repair: An international expert opinion-based Delphi consensus study

Author

Beck, Adam W., Hertault, Adrien, Savlania, Ajay, Froio, Alberto, Giaquinta, Alessia, Zimmermann, Alexander, Psyllas, Anastasios, Wanhainen, Anders, Marchetti, Andrea Ascoli, Queiroz, Andre Brito, Kahlberg, Andrea, Reyes-Valdivia, Andrés, Schanzer, Andres, Tambyraja, Andrew, Freyrie, Antonio, Lorido, Antonio, Millon, Antoine, Ippoliti, Arnaldo, Abai, Babak, Mees, Barend, Reutersberg, Benedikt, Maurel, Blandine, Michel, Bosiers, Wahlgren, Carl Magnus, Cavazzini, Carlo, Setacci, Carlo, Lee, Cheong Jun, Ferrer, Ciro, Bicknell, Colin, Raphaël, Coscas, Clair, Daniel, Dawson, David L., Arnaoutakis, Dean J., Böckler, Dittmar, Kotelis, Drosos, Mujagic, Edin, Chisci, Emiliano, Cieri, Enrico, Gallitto, Enrico, Marone, Enrico Maria, Ducasse, Eric, Verzini, Fabio, Pecoraro, Felice, Serracino-Inglott, Ferdinand, Benedetto, Filippo, Speziale, Francesco, Stilo, Francesco, Álvarez-Marcos, Francisco, Pagliariccio, Gabriele, Piffaretti, Gabriele, Lanza, Gaetano, Philipp, Geisbüsch, Geenberg, George, Jung, Georg, Melissano, Germano, Veraldi, Gian Franco, Parlani, Gianbattista, Faggioli, Gianluca, de Donato, Gianmarco, Simonte, Gioele, Colacchio, Giovanni, De Caridi, Giovanni, Pratesi, Giovanni, Spinella, Giovanni, Torsello, Giovanni, Leong Tan, Glenn Wei, Magee, Gregory A., Verhagen, Hence, Andrew, Holden, Koleilat, Issam, Ohman, J. Westley, de Vries, J.P.P.M., Budtz-Lilly, Jacob, Black, James, Eldrup-Jorgensen, Jens, Hockley, Joe, Bath, Jonathan, Sobocinski, Jonathan, van Herwaarden, Joost A., Reinhard, Kopp, Orion, Kristine C., Amankwah, Kwame, Bertoglio, Luca, di Marzo, Luca, Garriboli, Luca, Rizzo, Luigi, Hakimi, Maani, Sheahan, Malachi, Khashram, Manar, Schermerhorn, Marc, Lescan, Mario, Conrad, Mark, Davies, Mark G., Czerny, Martin, Orrico, Matteo, Eagleton, Matthew J., Smeds, Matthew R., Taurino, Maurizio, Wohlauer, Max, Sharafuddin, Mel J., Anna-Leonie, Menges, Reijnen, Michel, Antonello, Michele, Piazza, Michele, Settembre, Nicla, Mouawad, Nicolas J., Tsilimparis, Nikolaos, Dias, Nuno, Martinelli, Ombretta, Frigatti, Paolo, Sirignano, Pasqualino, Chong, Patrick, Bevis, Paul, DiMuzio, Paul, Henke, Peter, Düppers, Philip, Holt, Peter, Helmiö, Päivi, Vriens, Patrick, Pulli, Raffaele, Bellosta, Raffaello, Micheli, Raimondo, Veeraswamy, Ravi, Cuff, Robert, Chiappa, Roberto, Gattuso, Roberto, Pini, Rodolfo, Dalman, Ronald L., Milner, Ross, Scali, Salvatore T., Bahia, Sandeep, Laukontaus, Sani, Trimarchi, Santi, Fernandez-Alonso, Sebastian, Deglise, Sebastien, Bellmunt-Montoya, Sergi, Hofer, Simone, Yusuf, Syed W., Ronchey, Sonia, Bartoli, Stefano, Bonvini, Stefano, Camparini, Stefano, Fazzini, Stefano, Pirrelli, Stefano, Hörer, Tal, Bisdas, Theodosios, Vasudevan, Thodur, Lattmann, Thomas, Wyss, Thomas Rudolf, Maldonado, Thomas, Pfammatter, Thomas, Kölbel, Tilo, Jakimowicz, Tomasz, Donati, Tommaso, Tracci, Margaret, Bracale, Umberto Marcello, Tolva, Valerio Stefano, Riambau, Vincent, Palazzo, Vincenzo, Makaloski, Vladimir, Von Allmen, Regula S., Dorigo, Walter, Mansour, Wassim, Van den Eynde, Wouter, Tinelli, Giovanni, D’Oria, Mario, Sica, Simona, Mani, Kevin, Rancic, Zoran, Resch, Timothy Andrew, Beccia, Flavia, Azizzadeh, Ali, Da Volta Ferreira, Marcelo Martins, Gargiulo, Mauro, Lepidi, Sandro, Tshomba, Yamume, Oderich, Gustavo S., and Haulon, Stéphan

Published
2024
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17. Remarks on a triangulated version of Auslander-Kleiner's Green correspondence

Author

Zimmermann, Alexander

Subjects
Mathematics - Representation Theory, Mathematics - Group Theory, 18E30, 20C05
Abstract

For a finite group $G$ and an algebraically closed field $k$ of characteristic $p>0$ for any indecomposable finite dimensional $kG$-module $M$ with vertex $D$ and a subgroup $H$ of $G$ containing $N_G(D)$ there is a unique indecomposable $kH$-module $N$ of vertex $D$ being a direct summand of the restriction of $M$ to $H$. This correspondence, called Green correspondence, was generalised by Auslander-Kleiner to the situation of pairs of adjoint functors between additive categories. In the original situation of group rings Carlson-Peng-Wheeler proved that this correspondence is actually restriction of triangle functors between triangulated quotient categories of the corresponding module categories. We review this theory and show how we got a common generalisation of the approaches of Auslander-Kleiner and Carlson-Peng-Wheeler, using Verdier localisations.

Published
2020

18. Green correspondence and relative projectivity for pairs of adjoint functors between triangulated categories

Author

Zimmermann, Alexander

Subjects
Mathematics - Representation Theory, Mathematics - Category Theory, Mathematics - K-Theory and Homology, Mathematics - Rings and Algebras, Primary: 16E35, Secondary: 18E30, 20C05, 16S34, 18D10
Abstract

Auslander and Kleiner proved in 1994 an abstract version of Green correspondence for pairs of adjoint functors between three categories. They produce additive quotients of certain subcategories giving the classical Green correspondence in the special setting of modular representation theory. Carlson, Peng and Wheeler showed in 1998 that Green correspondence in the classical setting of modular representation theory is actually an equivalence between triangulated categories with respect to a non standard triangulated structure. In the present note we first define and study a version of relative projectivity, respectively relative injectivity with respect to pairs of adjoint functors. We then modify Auslander Kleiner's construction such that the correspondence holds in the setting of triangulated categories.

Published
2020
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19. Rational correction of pathogenic conformational defects in HTRA1

Author

Beaufort, Nathalie, Ingendahl, Linda, Merdanovic, Melisa, Schmidt, Andree, Podlesainski, David, Richter, Tim, Neumann, Thorben, Kuszner, Michael, Vetter, Ingrid R., Stege, Patricia, Burston, Steven G., Filipovic, Anto, Ruiz-Blanco, Yasser B., Bravo-Rodriguez, Kenny, Mieres-Perez, Joel, Beuck, Christine, Uebel, Stephan, Zobawa, Monika, Schillinger, Jasmin, Malik, Rainer, Todorov-Völgyi, Katalin, Rey, Juliana, Roberti, Annabell, Hagemeier, Birte, Wefers, Benedikt, Müller, Stephan A., Wurst, Wolfgang, Sanchez-Garcia, Elsa, Zimmermann, Alexander, Hu, Xiao-Yu, Clausen, Tim, Huber, Robert, Lichtenthaler, Stefan F., Schmuck, Carsten, Giese, Michael, Kaiser, Markus, Ehrmann, Michael, and Dichgans, Martin

Published
2024
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21. International Multi-Institutional Experience with Presentation and Management of Aortic Arch Laterality in Aberrant Subclavian Artery and Kommerell's Diverticulum

Author

Moffatt, Clare, Bath, Jonathan, Rogers, Richard T., Colglazier, Jill J., Braet, Drew J., Coleman, Dawn M., Scali, Salvatore T., Back, Martin R., Magee, Gregory A., Plotkin, Anastasia, Dueppers, Philip, Zimmermann, Alexander, Afifi, Rana O., Khan, Sophia, Zarkowsky, Devin, Dyba, Gregory, Soult, Michael C., Mani, Kevin, Wanhainen, Anders, Setacci, Carlo, Lenti, Massimo, Kabbani, Loay S., Weaver, Mitchell R., Bissacco, Daniele, Trimarchi, Santi, Stoecker, Jordan B., Wang, Grace J., Szeberin, Zoltan, Pomozi, Eniko, Gelabert, Hugh A., Tish, Shahed, Hoel, Andrew W., Cortolillo, Nicholas S., Spangler, Emily L., Passman, Marc A., De Caridi, Giovanni, Benedetto, Filippo, Zhou, Wei, Abuhakmeh, Yousef, Newton, Daniel H., Liu, Christopher M., Tinelli, Giovanni, Tshomba, Yamume, Katoh, Airi, Siada, Sammy S., Khashram, Manar, Gormley, Sinead, Mullins, John R., Schmittling, Zachary C., Maldonado, Thomas S., Politano, Amani D., Rynio, Pawel, Kazimierczak, Arkadiusz, Gombert, Alexander, Jalaie, Houman, Spath, Paolo, Gallitto, Enrico, Czerny, Martin, Berger, Tim, Davies, Mark G., Stilo, Francesco, Montelione, Nunzio, Mezzetto, Luca, Veraldi, Gian Franco, D'Oria, Mario, Lepidi, Sandro, Lawrence, Peter, and Woo, Karen

Published
2023
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25. Degenerating $0$ in Triangulated Categories

Author

Saorín, Manuel and Zimmermann, Alexander

Subjects
Mathematics - Representation Theory, Mathematics - Category Theory, Mathematics - Rings and Algebras
Abstract

In previous work, based on work of Zwara and Yoshino, we defined and studied degenerations of objects in triangulated categories analogous to degeneration of modules. In triangulated categories it is surprising that the zero object may degenerate. We study this systematically. In particular we show that the degeneration of the zero object actually induces all other degenerations by homotopy pullback, that degeneration of $0$ is closely linked, but not equivalent, to having zero image in the Grothendieck group.

Published
2019

26. Contemporary outcomes after treatment of aberrant subclavian artery and Kommerell's diverticulum

Author

Bath, Jonathan, D'Oria, Mario, Rogers, Richard T., Colglazier, Jill J., Braet, Drew J., Coleman, Dawn M., Scali, Salvatore T., Back, Martin R., Magee, Gregory A., Plotkin, Anastasia, Dueppers, Philip, Zimmermann, Alexander, Afifi, Rana O., Khan, Sophia, Zarkowsky, Devin, Dyba, Gregory, Soult, Michael C., Mani, Kevin, Wanhainen, Anders, Setacci, Carlo, Lenti, Massimo, Kabbani, Loay S., Weaver, Mitchelle R., Bissacco, Daniele, Trimarchi, Santi, Stoecker, Jordan B., Wang, Grace J., Szeberin, Zoltan, Pomozi, Eniko, Moffatt, Clare, Gelabert, Hugh A., Tish, Shahed, Hoel, Andrew W., Cortolillo, Nicholas S., Spangler, Emily L., Passman, Marc A., De Caridi, Giovanni, Benedetto, Filippo, Zhou, Wei, Abuhakmeh, Yousef, Newton, Daniel H., Liu, Christopher M., Tinelli, Giovanni, Tshomba, Yamume, Katoh, Airi, Siada, Sammy S., Khashram, Manar, Gormley, Sinead, Mullins, John R., Schmittling, Zachary C., Maldonado, Thomas S., Politano, Amani D., Rynio, Pawel, Kazimierczak, Arkadiusz, Gombert, Alexander, Jalaie, Houman, Spath, Paolo, Gallitto, Enrico, Czerny, Martin, Berger, Tim, Davies, Mark G., Stilo, Francesco, Montelione, Nunzio, Mezzetto, Luca, Veraldi, Gian Franco, Lepidi, Sandro, Lawrence, Peter, and Woo, Karen

Published
2023
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29. European Multicentric Experience With Fenestrated-branched ENDOvascular Stent Grafting After Previous FAILed Infrarenal Aortic Repair: The EU-FBENDO-FAIL Registry

Author

Budtz-Lilly, Jacob, D’Oria, Mario, Gallitto, Enrico, Bertoglio, Luca, Kölbel, Tilo, Lindström, David, Dias, Nuno, Lundberg, Goran, Böckler, Dittmar, Parlani, Gianbattista, Antonello, Michele, Veraldi, Gian F., Tsilimparis, Nikolaos, Kotelis, Drosos, Dueppers, Philip, Tinelli, Giovanni, Ippoliti, Arnaldo, Spath, Paolo, Logiacco, Antonino, Schurink, Geert Willem H., Chiesa, Roberto, Grandi, Alessandro, Panuccio, Giuseppe, Rohlffs, Fiona, Wanhainen, Anders, Mani, Kevin, Karelis, Angelos, Sonesson, Björn, Jonsson, Magnus, Bresler, Alina-Marilena, Simonte, Gioele, Isernia, Giacomo, Xodo, Andrea, Mezzetto, Luca, Mastrorilli, Davide, Prendes, Carlota F., Chaikhouni, Basel, Zimmermann, Alexander, Lepidi, Sandro, Gargiulo, Mauro, Mees, Barend, and Unosson, Jon

Published
2023
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30. Bypass Patency and Amputation-Free Survival after Popliteal Aneurysm Exclusion Significantly Depends on Patient Age and Medical Complications: A Detailed Dual-Center Analysis of 395 Consecutive Elective and Emergency Procedures

Author

Freytag, Hannah, primary, Kapalla, Marvin, additional, Berg, Floris, additional, Stroth, Hans-Christian Arne, additional, Reisenauer, Tessa, additional, Stoklasa, Kerstin, additional, Zimmermann, Alexander, additional, Reeps, Christian, additional, Knappich, Christoph, additional, Wolk, Steffen, additional, and Busch, Albert, additional

Published
2024
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34. Verdier quotients of homotopy categories

Author

Zhou, Guodong and Zimmermann, Alexander

Subjects
Mathematics - Representation Theory, 18E30 (Primary) 16G10, 16G60 (Secondary)
Abstract

We study Verdier quotients of diverse homotopy categories of a full additive subcategory $\mathcal E$ of an abelian category. In particular, we consider the categories $K^{x,y}({\mathcal E})$ for $x\in\{\infty, +,-,b\}$, and $y\in\{\emptyset,b,+,-,\infty\}$ the homotopy categories of left, right, unbounded complexes with homology being $0$, bounded, left or right bounded, or unbounded. Inclusion of these categories give a partially ordered set, and we study localisation sequences or recollement diagrams between the Verdier quotients, and prove that many quotients lead to equivalent categories.

Published
2017

37. An Expert-Based Review on the Relevance and Management of Type 2 Endoleaks Following Endovascular Repair of Ruptured Abdominal Aortic Aneurysms.

Author

Dueppers, Philip, D'Oria, Mario, Lepidi, Sandro, Calvagna, Cristiano, Zimmermann, Alexander, and Kopp, Reinhard

Subjects
ABDOMINAL aortic aneurysms, ENDOVASCULAR aneurysm repair, AORTIC aneurysms, ENDOVASCULAR surgery, THERAPEUTIC embolization, AORTIC rupture
Abstract

Ruptured abdominal aortic aneurysms (rAAAs) are life-threatening and require emergent surgical therapy. Endovascular aortic repair for rupture (rEVAR) has become the leading strategy due to its minimal invasive approach with expected lower morbidity and mortality, especially in patients presenting with hemodynamic instability and relevant comorbidities. Following rEVAR, intraoperative angiography or early postinterventional computed tomography angiography have to exclude early type 1 or 3 endoleaks requiring immediate reintervention. Persistent type 2 endoleaks (T2ELs) after rEVAR, in contrast to elective cases, can cause possibly lethal situations due to continuing extravascular blood loss through the remaining aortic aneurysm rupture site. Therefore, early identification of relevant persistent T2ELs associated with continuous bleeding and hemodynamic instability and immediate management is mandatory in the acute postoperative setting following rEVAR. Different techniques and concepts for the occlusion of T2ELs after rEVAR are available, and most of them are also used for relevant T2ELs after elective EVAR. In addition to various interventional embolization procedures for persistent T2ELs, some patients require open surgical occlusion of T2EL-feeding arteries, abdominal compartment decompression or direct surgical patch occlusion of the aneurysm rupture site after rEVAR. So far, in the acute situation of rAAAs, indications for preemptive or intraoperative T2EL embolization during rEVAR have not been established. In the long term, persistent T2ELs after rEVAR can lead to continuous aneurysm expansion with the possible development of secondary proximal type I endoleaks and an increased risk of re-rupture requiring regular follow-up and early consideration for reintervention. To date, only very few studies have investigated T2ELs after rEVAR or compared outcomes with those from elective EVAR regarding the special aspects of persisting T2ELs. This narrative review is intended to present the current knowledge on the incidence, natural history, relevance and strategies for T2EL management after rEVAR. [ABSTRACT FROM AUTHOR]

Published
2024
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39. Symmetry of the Definition of Degeneration in Triangulated Categories

Author

Saorín, Manuel and Zimmermann, Alexander

Subjects
Mathematics - Representation Theory, Mathematics - Category Theory, Mathematics - Rings and Algebras
Abstract

Module structures of an algebra on a fixed finite dimensional vector space form an algebraic variety. Isomorphism classes correspond to orbits of the action of an algebraic group on this variety and a module is a degeneration of another if it belongs to the Zariski closure of the orbit. Riedtmann and Zwara gave an algebraic characterisation of this concept in terms of the existence of short exact sequences. Jensen, Su and Zimmermann, as well as independently Yoshino, studied the natural generalisation of the Riedtmann-Zwara degeneration to triangulated categories. The definition has an intrinsic non-symmetry. Suppose that we have a triangulated category in which idempotents split and either for which the endomorphism rings of all objects are artinian, or which is the category of compact objects in an algebraic compactly generated triangulated K-category. Then we show that the non-symmetry in the algebraic definition of the degeneration is inessential in the sense that the two possible choices which can be made in the definition lead to the same concept.

Published
2016

43. Second asymptomatic carotid surgery trial (ACST-2): a randomised comparison of carotid artery stenting versus carotid endarterectomy

Author

Halliday, Alison, Bulbulia, Richard, Bonati, Leo H, Peto, Richard, Pan, Hongchao, Potter, John, Henning Eckstein, Hans, Farrell, Barbara, Flather, Marcus, Mansfield, Averil, Mihaylova, Boby, Rahimi, Kazim, Simpson, David, Thomas, Dafydd, Sandercock, Peter, Gray, Richard, Molyneux, Andrew, Shearman, Cliff P, Rothwell, Peter, Belli, Anna, Herrington, Will, Judge, Parminder, Leopold, Peter, Mafham, Marion, Gough, Michael, Cao, Piergiorgio, MacDonald, Sumaira, Bari, Vasha, Berry, Clive, Bradshaw, S, Brudlo, Wojciech, Clarke, Alison, Chester, Johanna, Cox, Robin, Cradduck-Bamford, Andrea, Fathers, Susan, Gaba, Kamran, Gray, Mo, Hayter, Elizabeth, Holliday, Constance, Kurien, Rijo, Lay, Michael, le Conte, Steffi, McManus, Jessica, Madgwick, Zahra, Morris, Dylan, Munday, Andrew, Pickworth, Sandra, Ostasz, Wiktor, Poorthuis, Michiel, Richards, Sue, Teixeira, Louisa, Tochlin, Sergey, Tully, Lynda, Wallis, Carol, Willet, Monique, Young, Alan, Casana, Renato, Malloggi, Chiara, Odero Jr, Andrea, Silani, Vincenzo, Parati, Gianfranco, Malchiodi, Giuseppe, Malferrari, Giovanni, Strozzi, Francesco, Tusini, Nicola, Vecchiati, Enrico, Coppi, Gioacchino, Lauricella, Antonio, Moratto, Roberto, Silingardi, Roberto, Veronesi, Jessica, Zini, Andrea, Ferrero, Emanuele, Ferri, Michelangelo, Gaggiano, Andrea, Labate, Carmelo, Nessi, Franco, Psacharopulo, Daniele, Viazzo, Andrea, Malacrida, Giovanni, Mazzaccaro, Daniela, Meola, Giovanni, Modafferi, Alfredo, Nano, Giovanni, Occhiuto, Maria Teresa, Righini, Paolo, Stegher, Silvia, Chiarandini, Stefano, Griselli, Filippo, Lepidi, Sandro, Pozzi Mucelli, Fabio, Naccarato, Marcello, D'Oria, Mario, Ziani, Barbara, Stella, Andrea, Dieng, Mortalla, Faggioli, Gianluca, Gargiulo, Mauro, Palermo, Sergio, Pini, Rodolfo, Puddu, Giovanni Maria, Vacirca, Andrea, Angiletta, Domenico, Desantis, Claudio, Marinazzo, Davide, Mastrangelo, Giovanni, Regina, Guido, Pulli, Raffaele, Bianchi, Paolo, Cireni, Lea, Coppi, Elisabetta, Pizzirusso, Rocco, Scalise, Filippo, Sorropago, Giovanni, Tolva, Valerio, Caso, Valeria, Cieri, Enrico, DeRango, Paola, Farchioni, Luca, Isernia, Giacomo, Lenti, Massimo, Parlani, Gian Battista, Pupo, Guglielmo, Pula, Grazia, Simonte, Gioele, Verzini, Fabio, Carimati, Federico, Delodovici, Maria Luisa, Fontana, Federico, Piffaretti, Gabriele, Tozzi, Matteo, Civilini, Efrem, Poletto, Giorgio, Reimers, Bernhard, Praquin, Barbara, Ronchey, Sonia, Capoccia, Laura, Mansour, Wassim, Sbarigia, Enrico, Speziale, Francesco, Sirignano, Pasqualino, Toni, Danilo, Galeotti, Roberto, Gasbarro, Vincenzo, Mascoli, Francesco, Rocca, Tiberio, Tsolaki, Elpiniki, Bernardini, Giulia, DeMarco, Ester, Giaquinta, Alessia, Patti, Francesco, Veroux, Massimiliano, Veroux, Pierfrancesco, Virgilio, Carla, Mangialardi, Nicola, Orrico, Matteo, Di Lazzaro, Vincenzo, Montelione, Nunzio, Spinelli, Francesco, Stilo, Francesco, Cernetti, Carlo, Irsara, Sandro, Maccarrone, Giuseppe, Tonello, Diego, Visonà, Adriana, Zalunardo, Beniamino, Chisci, Emiliano, Michelagnoli, Stefano, Troisi, Nicola, Masato, Maela, Dei Negri, Massimo, Pacchioni, Andrea, Saccà, Salvatore, Amatucci, Giovanni, Cannizzaro, Alfredo, Accrocca, Federico, Ambrogi, Cesare, Barbazza, Renzo, Marcucci, Giustino, Siani, Andrea, Bajardi, Guido, Savettieri, Giovanni, Argentieri, Angelo, Corbetta, Riccardo, Odero, Attilio, Quaretti, Pietro, Thyrion, Federico Z, Cappelli, Alessandro, Benevento, Domenico, De Donato, Gianmarco, Mele, Maria Agnese, Palasciano, Giancarlo, Pieragalli, Daniela, Rossi, Alessandro, Setacci, Carlo, Setacci, Francesco, Palombo, Domenico, Perfumo, Maria Cecilia, Martelli, Edoardo, Paolucci, Aldo, Trimarchi, Santi, Grassi, Viviana, Grimaldi, Luigi, La Rosa, Giuliana, Mirabella, Domenico, Scialabba, Matteo, Sichel, Leonildo, D'Angelo, Costantino L, Fadda, Gian Franco, Kasemi, Holta, Marino, Mario, Burzotta, Francesco, Codispoti, Francesco Alberto, Ferrante, Angela, Tinelli, Giovanni, Tshomba, Yamume, Vincenzoni, Claudio, Amis, Deborah, Anderson, Dawn, Catterson, Martin, Clarke, Mike, Davis, Michelle, Dixit, Anand, Dyker, Alexander, Ford, Gary, Jackson, Ralph, Kappadath, Sreevalsan, Lambert, David, Lees, Tim, Louw, Stephen, McCaslin, James, Parr, Noala, Robson, Rebecca, Stansby, Gerard, Wales, Lucy, Wealleans, Vera, Wilson, Lesley, Wyatt, Michael, Baht, Hardeep, Balogun, Ibrahim, Burger, Ilse, Cosier, Tracy, Cowie, Linda, Gunathilagan, Gunaratnam, Hargroves, David, Insall, Robert, Jones, Sally, Rudenko, Hannah, Schumacher, Natasha, Senaratne, Jawaharlal, Thomas, George, Thomson, Audrey, Webb, Tom, Brown, Ellen, Esisi, Bernard, Mehrzad, Ali, MacSweeney, Shane, McConachie, Norman, Southam, Alison, Sunman, Wayne, Abdul-Hamiq, Ahmed, Bryce, Jenny, Chetter, Ian, Ettles, Duncan, Lakshminarayan, Raghuram, Mitchelson, Kim, Rhymes, Christopher, Robinson, Graham, Scott, Paul, Vickers, Alison, Ashleigh, Ray, Butterfield, Stephen, Gamble, Ed, Ghosh, Jonathan, McCollum, Charles N, Welch, Mark, Welsh, Sarah, Wolowczyk, Leszek, Donnelly, Mary, 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Hartmann, Christian, Ludwig, Stefan, Pütz, Volker, Reeps, Christian, Schmidt, Christine, Weiss, Norbert, Werth, Sebastian, Winzer, Simon, Gemper, Janine, Günther, Albrecht, Heiling, Bianka, Jochmann, Elisabeth, Karvouniari, Panagiota, Klingner, Carsten, Mayer, Thomas, Schubert, Julia, Schulze-Hartung, Friederike, Zanow, Jürgen, Bausback, Yvonne, Borger, Franka, Botsios, Spiridon, Branzan, Daniela, Bräunlich, Sven, Hölzer, Henryk, Lenzer, Janin, Piorkowski, Christopher, Richter, Nadine, Schuster, Johannes, Scheinert, Dierk, Schmidt, Andrej, Staab, Holger, Ulrich, Matthias, Werner, Martin, Berger, Hermann, Biró, Gábor, Eckstein, Hans-Henning, Kallmayer, Michael, Kreiser, Kornelia, Zimmermann, Alexander, Berekoven, Bärbel, Frerker, Klaus, Gordon, Vera, Torsello, Giovanni, Arnold, Sebastian, Dienel, Cora, Storck, Martin, Biermaier, Bernhard, Gissler, Hans Martin, Klötzsch, Christof, Pfeiffer, Tomas, Schneider, Ralph, Söhl, Leander, Wennrich, Michael, Alonso, Angelika, Keese, Michael, Groden, Christoph, Cöster, Andreas, Engelhardt, Andreas, Ratusinski, Christoph-Maria, Berg, Bengt, Delle, Martin, Formgren, Johan, Gillgren, Peter, Jarl, Lotta, Kall, Torbjörn B, Konrad, Peter, Nyman, Niklas, Skiöldebrand, Claes, Steuer, Johnny, Takolander, Rabbe, Malmstedt, Jonas, Acosta, Stefan, Björses, Katarina, Brandt, Kerstin, Dias, Nuno, Gottsäter, Anders, Holst, Jan, Kristmundsson, Thorarinn, Kühme, Tobias, Kölbel, Tilo, Lindblad, Bengt, Lindh, Mats, Malina, Martin, Ohrlander, Tomas, Resch, Tim, Rönnle, Viola, Sonesson, Björn, Warvsten, Margareta, Zdanowski, Zbigniew, Campbell, Erik, Kjellin, Per, Lindgren, Hans, Nyberg, Johan, Petersen, Björn, Plate, Gunnar, Pärsson, Håkan, Qvarfordt, Peter, Ignatenko, Pavel, Karpenko, Andrey, Starodubtsev, Vladimir, Chernyavsky, Mikhail A, Golovkova, Maria S, Komakha, Boris B, Zherdev, Nikolay N, Belyasnik, Andrey, Chechulov, Pavel, Kandyba, Dmitry, Stepanishchev, Igor, Csobay-Novák, Csaba, Dósa, Edit, Entz, László, Nemes, Balázs, Szeberin, Zoltán, Barzó, Pál, Bodosi, Mihaly, Fákó, Eniko, Fülöp, Béla, Németh, Tamás, Pazdernyik, Szilárd, Skoba, Krisztina, Vörös, Erika, Chatzinikou, Eleni, Giannoukas, Athanasios, Karathanos, Christos, Koutsias, Stylianos, Kouvelos, Georgios, Matsagkas, Miltiadis, Ralli, Styliani, Rountas, Christos, Rousas, Nikolaos, Spanos, Konstantinos, Brountzos, Elias, Kakisis, John D, Lazaris, Andreas, Moulakakis, Konstantinos G, Stefanis, Leonidas, Tsivgoulis, Georgios, Vasdekis, Spyros, Antonopoulos, Constantine N, Bellenis, Ion, Maras, Dimitrios, Polydorou, Antonios, Polydorou, Victoria, Tavernarakis, Antonios, Ioannou, Nikolaos, Terzoudi, Maria, Lazarides, Miltos, Mantatzis, Michalis, Vadikolias, Kostas, Dzieciuchowicz, Lukasz, Gabriel, Marcin, Krasinski, Zbigniew, Oszkinis, Grzegorz, Pukacki, Fryderyk, Slowinski, Maciej, Stanišic, Michal-Goran, Staniszewski, Ryszard, Tomczak, Jolanta, Zielinski, Maciej, Myrcha, Piotr, Rózanski, Dorota, Drelichowski, Stanislaw, Iwanowski, Wojciech, Koncewicz, Katarzyna, Bialek, Pawel, Biejat, Zbigniew, Czepel, Wojciech, Czlonkowska, Anna, Dowzenko, Anatol, Jedrzejewska, Julia, Kobayashi, Adam, Leszczynski, Jerzy, Malek, Andrzej, Polanski, Jerzy, Proczka, Robert, Skorski, Maciej, Szostek, Mieczyslaw, Andziak, Piotr, Dratwicki, Maciej, Gil, Robert, Nowicki, Miroslaw, Pniewski, Jaroslaw, Rzezak, Jaroslaw, Seweryniak, Piotr, Dabek, Pawel, Juszynski, Michal, Madycki, Grzegorz, Pacewski, Bartosz, Raciborski, Witold, Slowinski, Piotr, Staszkiewicz, Walerian, Bombic, Martin, Chlouba, Vladimír, Fiedler, Jirí, Hes, Karel, Koštál, Petr, Sova, Jindrich, Kríž, Zdenek, Prívara, Mojmír, Reif, Michal, Staffa, Robert, Vlachovský, Robert, Vojtíšek, Bohuslav, Hrbác, Tomáš, Kuliha, Martin, Procházka, Václav, Roubec, Martin, Školoudík, David, Netuka, David, Šteklácová, Anna, Beneš III, Vladimír, Buchvald, Pavel, Endrych, Ladislav, Šercl, Miroslav, Campos Jr, Walter, Casella, Ivan B, de Luccia, Nelson, Estenssoro, André E V, Presti, Calógero, Puech-Leão, Pedro, Neves, Celso R B, da Silva, Erasmo S, Sitrângulo Jr, Cid J, Monteiro, José A T, Tinone, Gisela, Bellini Dalio, Marcelo, Joviliano, Edwaldo E, Pontes Neto, Octávio M, Serra Ribeiro, Mauricio, Cras, Patrick, Hendriks, Jeroen M H, Hoppenbrouwers, Mieke, Lauwers, Patrick, Loos, Caroline, Yperzeele, Laetitia, Geenens, Mia, Hemelsoet, Dimitri, van Herzeele, Isabelle, Vermassen, Frank, Astarci, Parla, Hammer, Frank, Lacroix, Valérie, Peeters, André, Verhelst, Robert, Cirelli, Silvana, Dormal, Pol, Grimonprez, Annelies, Lambrecht, Bart, Lerut, Philipe, Thues, Eddy, De Koster, Guy, Desiron, Quentin, Maertens de Noordhout, Alain, Malmendier, Danielle, Massoz, Mireille, Saad, Georges, Bosiers, Marc, Callaert, Joren, Deloose, Koen, Blanco Cañibano, Estrella, García Fresnillo, Beatriz, Guerra Requena, Mercedes, Morata Barrado, Pilar C, Muela Méndez, Miguel, Yusta Izquierdo, Antonio, Aparici Robles, Fernando, Blanes Orti, Paula, García Dominguez, Luis, Martínez López, Rafael, Miralles Hernández, Manuel, Tembl Ferrairo, José I, Chamorro, Ángel, Macho, Juan, Obach, Víctor, Riambau, Vincent, San Román, Luis, Ahlhelm, Frank J, Blackham, Kristine, Engelter, Stefan, Eugster, Thomas, Gensicke, Henrik, Gürke, Lorenz, Lyrer, Philippe, Mariani, Luigi, Maurer, Marina, Mujagic, Edin, Müller, Mandy, Psychogios, Marios, Stierli, Peter, Stippich, Christoph, Traenka, Christopher, Wolff, Thomas, Wagner, Benjamin, Wiegert, Martina M, Clarke, Sandra, Diepers, Michael, Gröchenig, Ernst, Gruber, Philipp, Isaak, Andrej, Kahles, Timo, Marti, Regula, Nedeltchev, Krassen, Remonda, Luca, Tissira, Nadir, Valença Falcão, Martina, de Borst, Gert J, Lo, Rob H, Moll, Frans L, Toorop, Raechel, van der Worp, Bart H, Vonken, Evert J, Kappelle, Jaap L, Jahrome, Ommid, Vos, Floris, Schuiling, Wouter, van Overhagen, Hendrik, Keunen, Rudolf W M, Knippenberg, Bob, Wever, Jan J, Lardenoije, Jan W, Reijnen, Michel, Smeets, Luuk, van Sterkenburg, Steven, Fraedrich, Gustav, Gizewski, Elke, Gruber, Ingrid, Knoflach, Michael, Kiechl, Stefan, Rantner, Barbara, Abdulamit, Timur, Bergeron, Patrice, Padovani, Raymond, Trastour, Jean-Christophe, Cardon, Jean-Marie, Le Gallou-Wittenberg, Anne, Allaire, Eric, Becquemin, Jean-Pierre, Cochennec-Paliwoda, Frédéric, Desgranges, Pascal, Hosseini, Hassan, Kobeiter, Hicham, Marzelle, Jean, Almekhlafi, Mohammed A, Bal, Simerpreet, Barber, Phillip A, Coutts, Shelagh B, Demchuk, Andrew M, Eesa, Muneer, Gillies, Michelle, Goyal, Mayank, Hill, Michael D, Hudon, Mark E, Jambula, Anitha, Kenney, Carol, Klein, Gary, McClelland, Marie, Mitha, Alim, Menon, Bijoy K, Morrish, William F, Peters, Steven, Ryckborst, Karla J, Samis, Greg, Save, Supriya, Smith, Eric E, Stys, Peter, Subramaniam, Suresh, Sutherland, Garnette R, Watson, Tim, Wong, John H, Zimmel, L, Flis, Vojko, Matela, Jože, Miksic, Kazimir, Milotic, Franko, Mrdja, Božidar, Stirn, Barbara, Tetickovic, Erih, Gasparini, Mladen, Grad, Anton, Kompara, Ingrid, Miloševic, Zoren, Palmiste, Veronika, Toomsoo, Toomas, Aidashova, Balzhan, Kospanov, Nursultan, Lyssenko, Roman, Mussagaliev, Daulet, Beyar, Rafi, Hoffman, Aaron, Karram, Tony, Kerner, Arthur, Nikolsky, Eugenia, Nitecki, Samy, Andonova, Silva, Bachvarov, Chavdar, Petrov, Vesko, Cvjetko, Ivan, Vidjak, Vinko, Halužan, Damir, Petrunic, Mladen, Liu, Bao, Liu, Chang-Wei, Bartko, Daniel, Beno, Peter, Rusnák, František, Zelenák, Kamil, Ezura, Masayuki, Inoue, Takashi, Kimura, Naoto, Kondo, Ryushi, Matsumoto, Yasushi, Shimizu, Hiroaki, Endo, Hidenori, Furui, Eisuke, Bakke, Søren, Krohg-Sørensen, Kristen, Nome, Terje, Skjelland, Mona, Tennøe, Bjørn, Albuquerque e Castro, João, Alves, Gonçalo, Bastos Gonçalves, Frederico, de Aragão Morais, José, Garcia, Ana C, Valentim, Hugo, Vasconcelos, Leonor, Belcastro, Fernando, Cura, Fernando, Zaefferer, Patricio, Abd-Allah, Foad, Eldessoki, Mohamed H, Heshmat Kassem, Hussein, Soliman Gharieb, Haytham, Colgan, Mary P, Haider, Syed N, Harbison, Joe, Madhavan, Prakash, Moore, Dermot, Shanik, Gregor, Kazan, Viviane, Nazzal, Munier, and Ramsey-Williams, Vicki

Published
2021
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45. An International Expert-Based CONsensus on Indications and Techniques for aoRtic balloOn occLusion in the Management of Ruptured Abdominal Aortic Aneurysms (CONTROL-RAAA)

Author

D’Oria, Mario, primary, Lembo, Rosalba, additional, Hörer, Tal M., additional, Rasmussen, Todd, additional, Mani, Kevin, additional, Parlani, Gianbattista, additional, Ierardi, Anna Maria, additional, Veraldi, Gian Franco, additional, Melloni, Andrea, additional, Bonardelli, Stefano, additional, Lepidi, Sandro, additional, Bertoglio, Luca, additional, Antonello, Michele, additional, Mees, Barend, additional, Bath, Jonathan, additional, Goncalves, Frederico Bastos, additional, Beck, Adam W, additional, Bellmunt, Sergi, additional, Berard, Xavier, additional, Bose, Joseph Du, additional, Budtz-Lilly, Jacob, additional, Calvagna, Cristiano, additional, Czerny, Martin, additional, Dawson, David, additional, McGreevy, David T, additional, Greenberg, George, additional, Savlania, Ajay, additional, Davies, Mark G, additional, Dias, Nuno, additional, Farber, Mark A, additional, Fajer, Simone, additional, Ferreira, Marcelo, additional, Franchin, Marco, additional, Gallitto, Enrico, additional, Goldin, Ilya, additional, Jakimowicz, Tomasz, additional, van Herzeele, Isabelle, additional, Hockley, Joseph A, additional, Holden, Andrew, additional, Kahlberg, Andrea, additional, Charlton-Ouw, Kristofer M, additional, Khashram, Manar, additional, Kotelis, Drosos, additional, Giacomo, Isernia, additional, Maldonado, Thomas S, additional, Magee, Gregory, additional, Maurel, Blandine, additional, Mezzetto, Luca, additional, Milner, Ross, additional, Panuccio, Giuseppe, additional, Helmio, Paivi, additional, Pratesi, Giovanni, additional, Reijnen, Michel M P J, additional, Resch, Timothy, additional, Riambau, Vincente, additional, Starnes, Benjamin, additional, Settembre, Nicla, additional, Smeds, Matthew R., additional, Scali, Salvatore, additional, Psyllas, Anastasios, additional, Sobocinski, Jonathan, additional, Guliani, Sundeep, additional, Tan, Glenn Wei Leong, additional, Tinelli, Giovanni, additional, Tsilimparis, Nikolaos, additional, Trimarchi, Santi, additional, Vriens, Patrick, additional, Wahlgren, Carl, additional, Van den Eynde, Wouter, additional, Vasudevan, Thodur, additional, Verhagen, Hence JM, additional, Zacà, Sergio, additional, Troisi, Nicola, additional, Wanhainen, Anders, additional, Witheford, Miranda, additional, and Zimmermann, Alexander, additional

Published
2023
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48. K{\'u}lshammer ideals of algebras of quaternion type

Author

Zimmermann, Alexander

Subjects
Mathematics - Representation Theory, Mathematics - Rings and Algebras
Abstract

For a symmetric algebra A over a field K of characteristic p > 0 K{\"u}lshammer constructed a descending sequence of ideals of the centre of A. If K is perfect this sequence was shown to be an invariant under derived equivalence and for algebraically closed K under stable equivalence of Morita type. Erdmann classified algebras of tame representation type which may be blocks of group algebras, and Holm classified Erdmann's list up to derived equivalence. In both classifications certain parameters occur in the classification, and it was unclear if different parameters lead to different algebras. Erdmann's algebras fall into three classes, namely of dihedral, semidihedral and of quaternion type. In previous joint work with Holm we used K{\"u}lshammer ideals to distinguish classes with respect to these parameters in case of algebras of dihedral and semidihedral type. In the present paper we determine the K{\"u}lshammer ideals for algebras of quaternion type and distinguish again algebras with respect to certain parameters.

Published
2016

50. An axiomatic approach for degenerations in triangulated categories

Author

Saorin, Manuel and Zimmermann, Alexander

Subjects
Mathematics - Representation Theory, Mathematics - Category Theory, Mathematics - Rings and Algebras
Abstract

We generalise Yoshino's definition of a degeneration of two Cohen Macaulay modules to a definition of degeneration between two objects in a triangulated category. We derive some natural properties for the triangulated category and the degeneration under which the Yoshino-style degeneration is equivalent to the degeneration defined by a specific distinguished triangle analogous to Zwara's characterisation of degeneration in module varieties.

Published
2015

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