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2. Controlling the accuracy of the density matrix renormalization group method: The Dynamical Block State Selection approach

Author

Legeza, O., Roder, J., and Hess, B. A.

Subjects
Condensed Matter - Strongly Correlated Electrons
Abstract

We have applied the momentum space version of the Density Matrix Renormalization Group method ($k$-DMRG) in quantum chemistry in order to study the accuracy of the algorithm in the new context. We have shown numerically that it is possible to determine the desired accuracy of the method in advance of the calculations by dynamically controlling the truncation error and the number of block states using a novel protocol which we dubbed Dynamical Block State Selection (DBSS). The relationship between the real error and truncation error has been studied as a function of the number of orbitals and the fraction of filled orbitals. We have calculated the ground state of the molecules CH$_2$, H$_2$O, and F$_2$ as well as the first excited state of CH$_2$. Our largest calculations were carried out with 57 orbitals, the largest number of block states was 1500--2000, and the largest dimensions of the Hilbert space of the superblock configuration was 800.000--1.200.000., Comment: 12 pages

Published
2002
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4. Viszeralchirurgie

Author

Roder, J. D., Röher, H. -D., Schulte, K. -M., Rothmund, M., Karakas, E., Oertli, D., Harder, F., Siewert, J. R., Stein, H. J., Brauer, R. B., Sendler, A., Bumm, R., Hölscher, A. H., Hölscher, A. C., Guenin, M. O., von Flüe, M., Bartels, H., Krieglstein, C. F., Senninger, N., Kremer, B., Schmid, A., Bartsch, D. K., Schulte, K.-M., Westerholt, A., Schmidt, C. A., Heidecke, C. -D., Leister, I., Becker, H., Neuhaus, P., Pfitzmann, R., Göhl, J., Hohenberger, W., and Siewert, J. Rüdiger

Published
2007
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5. Magen und Duodenum

Author

Siewert, J. R., Sendler, A., Bumm, R., Roder, J. D., Siewert, J. Rüdiger, Allgöwer, M., editor, Bartels, H., editor, Becker, H. D., editor, Becker, H.-M., editor, Biemer, E., editor, Bumm, R., editor, Coerper, St., editor, Daschner, F., editor, Detter, B., editor, Encke, A., editor, Feussner, H., editor, von Flühe, M., editor, Frey, L., editor, Göhl, J., editor, Gratzl, O., editor, Haas, N. P., editor, Hempel, K., editor, Herfarth, Ch., editor, Hermanek, P., editor, Herzog, U., editor, Hölscher, A.-H., editor, Hohenberger, W., editor, Horch, H.-H., editor, Kappstein, I., editor, Kaufmann, M., editor, Koller, M., editor, Kremer, B., editor, Krieglstein, C. F., editor, Lange, R., editor, Lehr, L., editor, Lorenz, W., editor, Meßmer, K., editor, Miethke, Th., editor, Neuhaus, P., editor, Pfitzmann, R., editor, Raschke, M. J., editor, Rem, J. A., editor, Röher, H.-D., editor, Roder, Jürgen D., editor, Rothmund, M., editor, Schackert, H., editor, Scheidegger, D., editor, Schweizer, P., editor, Sendler, A., editor, Senninger, N., editor, Siewert, J. R., editor, Simon, D., editor, Sunder-Plassmann, L., editor, Stein, H.-J., editor, Stübinger, B., editor, Teichmann, A., editor, Tondelli, P., editor, Urwyler, A., editor, Vogelsang, H., editor, Wagner, H., editor, Wasner, M., editor, and Wittekind, Ch., editor

Published
2001
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8. Tumoren des Dünndarms/Kolons/Rektums/Analkanals

Author

Brücher, B. L. D. M., von Schilling, Ch., Werner, M., Zimmermann, F., Roder, J. D., Nekarda, H., Böttcher, K., Fink, U., Bauer, M., Feldmann, H. J., Rosenberg, R., Roder, Jürgen D., editor, Stein, Hubert J., editor, and Fink, Ulrich, editor

Published
2000
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9. Hepatobiliäre und Pankreas-Tumoren

Author

Heidecke, C.-D., Brauer, R. B., Fink, U., Kissel, K., Roder, J. D., Harms, J., Ungeheuer, A., Juhnke, P., Barbur, M., Zimmermann, F., Allescher, H.-D., Hierholzer, C., Rosenberg, R., Weigert, N., Helmberger, H., Lersch, C., Rösch, T., Werner, M., Stein, H. J., Roder, Jürgen D., editor, Stein, Hubert J., editor, and Fink, Ulrich, editor

Published
2000
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10. Retroperitoneale Weichteilsarkome

Author

Roder, J. D., Adam, C., Feldmann, H. J., Helmberger, H., Kretzler, A., Puhlmann, M., Schneller, F., Schuhmacher, C., Werner, M., Roder, Jürgen D., editor, Stein, Hubert J., editor, and Fink, Ulrich, editor

Published
2000
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13. Magentumoren

Author

Böttcher, K., Stein, H. J., Becker, K., Etter, M., Ott, K., Fink, U., Werner, M., Roder, J. D., Sendler, A., Zimmermann, F., Decker, T., Kremer, M., Roder, Jürgen D., editor, Stein, Hubert J., editor, and Fink, Ulrich, editor

Published
2000
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15. Ösophaguskarzinom

Author

Stein, H. J., Brücher, B. L. D. M., Feith, M., Werner, M., Molls, M., Fink, U., Roder, J. D., Roder, Jürgen D., editor, Stein, Hubert J., editor, and Fink, Ulrich, editor

Published
2000
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22. Aktueller Stand der Magenchirurgie — zu Ehren von E. Ungeheuer

Author

Hartel, W., Rösch, W., Farthmann, E. H., Eggstein, S., Wiebecke, B., Encke, A., Schmidt-Matthiesen, A., Juhl, H., Schreiber, H.-W., Kremer, B., Hermanek, P., Siewert, J. R., Kirchner, R., Kreutz, F., Marcelja, Z., Seifert, E., Schwarz, A., Usinger, K., Glasbrenner, B., Beger, H. G., Böttcher, K. A., Roder, J. D., Nekarda, H., Faß, J., Riesener, K. P., Schumpelick, V., Hartel, W., editor, and Hierholzer, G.

Published
1995
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23. Oesophageal Carcinoma

Author

Roder, J. D., Stein, H. J., Siewert, J. R., Hermanek, P., editor, Gospodarowicz, Mary K., editor, Henson, D. E., editor, Hutter, R. V. P., editor, and Sobin, L. H., editor

Published
1995
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26. Hals

Author

Roder, J. D., Siewert, J. Rüdiger, Allgöwer, M., editor, Bartels, H., editor, Becker, H. D., editor, Becker, H.-M., editor, Biemer, E., editor, Bumm, R., editor, Coerper, St., editor, Daschner, F., editor, Detter, B., editor, Encke, A., editor, Feussner, H., editor, von Flühe, M., editor, Frey, L., editor, Göhl, J., editor, Gratzl, O., editor, Haas, N. P., editor, Hempel, K., editor, Herfarth, Ch., editor, Hermanek, P., editor, Herzog, U., editor, Hölscher, A.-H., editor, Hohenberger, W., editor, Horch, H.-H., editor, Kappstein, I., editor, Kaufmann, M., editor, Koller, M., editor, Kremer, B., editor, Krieglstein, C. F., editor, Lange, R., editor, Lehr, L., editor, Lorenz, W., editor, Meßmer, K., editor, Miethke, Th., editor, Neuhaus, P., editor, Pfitzmann, R., editor, Raschke, M. J., editor, Rem, J. A., editor, Röher, H.-D., editor, Roder, Jürgen D., editor, Rothmund, M., editor, Schackert, H., editor, Scheidegger, D., editor, Schweizer, P., editor, Sendler, A., editor, Senninger, N., editor, Siewert, J. R., editor, Simon, D., editor, Sunder-Plassmann, L., editor, Stein, H.-J., editor, Stübinger, B., editor, Teichmann, A., editor, Tondelli, P., editor, Urwyler, A., editor, Vogelsang, H., editor, Wagner, H., editor, Wasner, M., editor, and Wittekind, Ch., editor

Published
2001
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40. P33.06 Utilizing Serum Proteome to Understand Response and Resistance to Immune Checkpoint Inhibitors in Advanced Non-Small Cell Lung Cancer

Author

Chae, Y.K., primary, Park, J., additional, Iams, W., additional, Oh, M., additional, Lentz, R., additional, Roder, H., additional, Roder, J., additional, Asmellash, S., additional, Hur, W.K., additional, Hwang, J.Y., additional, Mohindra, N., additional, Villaflor, V., additional, and Davis, A.A., additional

Published
2021
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43. Intestinal inflammation modulates expression of the synaptic vesicle protein neuronal calcium sensor-1

Author

Lourenssen, S., Jeromin, A., Roder, J., and Blennerhassett, M.G.

Subjects
Calcium-binding proteins -- Physiological aspects, Neurotransmitters -- Physiological aspects, Intestines -- Inflammation, Inflammation -- Physiological aspects, Biological sciences
Abstract

The calcium-binding protein neuronal calcium sensor 1 (NCS-1) is involved in modulation of neurotransmitter release in the peripheral and central nervous systems. Since intestinal inflammation impairs neurotransmitter release, we evaluated the expression of NCS-1 in the normal rat colon and in dinitrobenzene sulfonic acid (DNBS)-induced colitis. Immunocytochemistry and Western blots showed high levels of NCS-1 in the myenteric plexus and in axons in the smooth muscle layers; 23 [+ or -] 2% of myenteric neurons were NCS-1 positive, with staining restricted to the largest neurons. NCS-1-positive axons decreased to 13.3 [+ or -] 0.4% of total axons by day 2 and dropped further to 7.0 [+ or -] 0.1% by day 4, returning to control levels by day 16. Dual-label Western blot analysis showed that the expression of NCS-1 relative to PGP 9.5 decreased by 50% on day 4 but returned to control by day 16. The selective loss of NCS-1 during colitis may underlie the altered neural function seen in the inflamed intestine. frequenin; enteric nervous system; dinitrobenzene sulfonic acid

Published
2002

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