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112 results on '"Gonzalez, Camilo"'

1. Symmetric functions in noncommuting variables in superspace

Author

Arcis, Diego, González, Camilo, and Márquez, Sebastián

Subjects
Mathematics - Combinatorics, 05E05
Abstract

In 2004, Rosas and Sagan developed the theory of symmetric functions in noncommuting variables, achieving results analogous to classical symmetric functions. On the other hand, in 2004, Desrosiers, Lapointe and Mathieu introduced the theory of symmetric functions in superspace, which involve both commuting and anticommuting variables, extending the classic theory. Here, we introduce symmetric functions in noncommuting variables in superspace. We define the classical symmetric functions in noncommuting variables to superspace: monomials, power sums, elementaries and complete homogeneous, which generalize both the ones studied by Rosas and Sagan and the ones studied by Desrosiers, Lapointe and Mathieu. We also define Schur--type functions in noncommuting variables in superspace., Comment: 9 figures

Published
2023

2. Neural Networks for Fast Optimisation in Model Predictive Control: A Review

Author

Gonzalez, Camilo, Asadi, Houshyar, Kooijman, Lars, and Lim, Chee Peng

Subjects
Electrical Engineering and Systems Science - Systems and Control, Mathematics - Optimization and Control
Abstract

Model Predictive Control (MPC) is an optimal control algorithm with strong stability and robustness guarantees. Despite its popularity in robotics and industrial applications, the main challenge in deploying MPC is its high computation cost, stemming from the need to solve an optimisation problem at each control interval. There are several methods to reduce this cost. This survey focusses on approaches where a neural network is used to approximate an existing controller. Herein, relevant and unique neural approximation methods for linear, nonlinear, and robust MPC are presented and compared. Comparisons are based on the theoretical guarantees that are preserved, the factor by which the original controller is sped up, and the size of problem that a framework is applicable to. Research contributions include: a taxonomy that organises existing knowledge, a summary of literary gaps, discussion on promising research directions, and simple guidelines for choosing an approximation framework. The main conclusions are that (1) new benchmarking tools are needed to help prove the generalisability and scalability of approximation frameworks, (2) future breakthroughs most likely lie in the development of ties between control and learning, and (3) the potential and applicability of recently developed neural architectures and tools remains unexplored in this field., Comment: 60 pages, 6 figures 3 tables. Submitted to Annual Reviews in Control

Published
2023

3. On the Hopf algebra of noncommutative symmetric functions in superspace

Author

Arcis, Diego, González, Camilo, and Márquez, Sebastián

Subjects
Mathematics - Combinatorics, Mathematics - Rings and Algebras, 05E05, 16T05, 16T30
Abstract

We study in detail the Hopf algebra of noncommutative symmetric functions in superspace sNSym, introduced by Fishel, Lapointe and Pinto. We introduce a family of primitive elements of sNSym and extend the noncommutative elementary and power sum functions to superspace. Then, we give formulas relating these families of functions. Also, we introduce noncommutative Ribbon Schur functions in superspace and provide a explicit formula for their product. We show that the dual basis of these function is given by a family of the so--called fundamental quasisymmetric functions in superspace. This allows us to obtain a explicit formula for the coproduct of fundamental quasisymmetric functions in superspace. Additionally, by projecting the noncommutative Ribbon Schur functions in superspace, we define a new basis for the algebra of symmetric functions in superspace. On the other hand, we also show that sNSym can be realised as a Hopf algebra of trees., Comment: 33 pages

Published
2022

6. Multi-Macdonald polynomials

Author

González, Camilo and Lapointe, Luc

Subjects
Mathematics - Combinatorics, Mathematics - Representation Theory
Abstract

We introduce Macdonald polynomials indexed by $n$-tuples of partitions and characterized by certain orthogonality and triangularity relations. We prove that they can be explicitly given as products of ordinary Macdonald polynomials depending on special alphabets. With this factorization in hand, we establish their most basic properties, such as explicit formulas for their norm-squared, evaluation and reproducing kernel. Moreover, we show that the $q,t$-Kostka coefficients associated to the multi-Macdonald polynomials are positive and correspond to $q,t$-analogs of the dimensions of the irreducible representations of $C_n \sim S_d$, the wreath product of the cyclic group $C_n$ with the symmetric group.

Published
2019

7. Type $\tilde{C}$ Temperley-Lieb algebra quotients and Catalan combinatorics

Author

Harbat, Sadek Al, González, Camilo, and Plaza, David

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

We study some algebraic and combinatorial features of two algebras that arise as quotients of Temperley-Lieb algebras of type $\tilde{C}$, namely, the two-boundary Temperley-Lieb algebra and the symplectic blob algebra. We provide a monomial basis for both algebras. The elements of these bases are parameterized by certain subsets of fully commutative elements. We enumerate these elements according to their affine length., Comment: 34 pages, many figures

Published
2019

9. The norm and the evaluation of the Macdonald polynomials in superspace

Author

González, Camilo and Lapointe, Luc

Subjects
Mathematics - Combinatorics
Abstract

We demonstrate the validity of previously conjectured explicit expressions for the norm and the evaluation of the Macdonald polynomials in superspace. These expressions, which involve the arm-lengths and leg-lengths of the cells in certain Young diagrams, specialize to the well known formulas for the norm and the evaluation of the usual Macdonald polynomials.

Published
2018

20. Supporting Multi-Stakeholder Participation Processes: A Serious Game Application for Watershed Management in Colombia.

Author

Gonzalez, Camilo, Moncada, Angelica, Santos, Tania Fernanda, Rincón, Wilford, Coleoni, Cláudia, and Macura, Biljana

Subjects
WATERSHED management, WATERSHEDS, PARTICIPATION, WATER management, CONFLICT of interests
Abstract

Multi-stakeholder participation processes in watershed management face challenges due to limited monitoring and baseline data, resulting in a lack of awareness among stakeholders about the current state of the watershed. This knowledge gap often leads to conflicts of interest, wherein the broader impacts of individual decisions are overlooked. To overcome these limitations, this paper explores the design and implementation of a Serious Game (SG) aimed at coproducing a watershed management plan at the basin scale within the specific context of the Campoalegre River basin in Colombia. By providing an interactive platform, the SG facilitates collaboration between local actors, who may be unfamiliar with existing watershed plans, and decision-makers. The goal is to create a participatory space where stakeholders can comprehend the watershed management plan structure and prioritize actions based on various climatic, social, and economic conditions. Following the application of the SG, stakeholders demonstrated an improved understanding of the basin, fostering increased participation, open debate, and the proposal of actions. These outcomes serve as valuable inputs for the implementation of water management planning policies, showcasing the potential of SGs in bridging knowledge gaps, and fostering effective multi-stakeholder engagement. [ABSTRACT FROM AUTHOR]

Published
2024
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21. A Proposal Model Based on Blockchain Technology to Support Traceability of Colombian Scholar Feeding Program (PAE)

Author

Cortés, Carol, Guzmán, Alejandro, Rincón-González, Camilo Andrés, Torres-Casas, Catherine, Mejía-Moncayo, Camilo, Barbosa, Simone Diniz Junqueira, Editorial Board Member, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Kotenko, Igor, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Florez, Hector, editor, Leon, Marcelo, editor, Diaz-Nafria, Jose Maria, editor, and Belli, Simone, editor

Published
2019
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24. Altered Liver Biochemistry and Mortality in Patients Hospitalized With COVID-19

Author

Muñoz Rossi, Felipe A, primary, Gallo Orjuela, Diana Marcela, additional, Guaiquil, Ana Maria, additional, Gonzalez, Camilo, additional, Salazar Agudelo, Juanita, additional, Quinapanta Castro, Néstor Israel, additional, Osorio, Angie, additional, Villegas Valle, Diana, additional, Moncayo Castillo, Angel, additional, and Cabarcas Rua, Jose, additional

Published
2024
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37. GLP-1Ra en el manejo de diabetes mellitus tipo 2: una revisión de revisiones sistemáticas

Author

Cantor Cruz, Francy, primary, Gomez-Gomez, Olga, additional, Mendivelso Duarte, Fredy, additional, Ruiz, Pilar Cristina, additional, Rincon Sierra, Oswaldo, additional, Yama Mosquera, Erika, additional, Moscoso Martinez, Ernesto, additional, Bohorquez, Luisa Fernanda, additional, Gonzalez, Camilo, additional, Acevedo, Juan Ramon, additional, Espitia Malagon, Ricardo Antonio, additional, Pinto Pinzón, Diego, additional, and Yomayusa Gonzalez, Nancy, additional

Published
2022
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40. Consenso colombiano de expertos sobre recomendaciones informadas en la evidencia para la prevención, diagnóstico y manejo de la infección por SARS-CoV-2/COVID-19 en paciente pediátrico con enfermedad renal crónica o lesión renal aguda asociada a COVID-19

Author

Baquero Rodriguez, Richard, Yomayusa, Nancy, Gonzalez, Camilo, Yama, Erika, Vargas, Juan Guillermo, Rico, Jorge, Ariza, Amaury, Aroca, Gustavo, Ramírez, Roberto, Chacón, Kelly, Torres, Rodolfo, Robayo, Adriana, Meza Martínez, Adriana Isabel, Calderón Ortiz, Angélica María, Zapata Chica, Carlos Andrés, Morales Contreras, Carol Lisbeth, Ochoa García, Carolina Lucía, Pinto Bernai, Claudia, Chacón Jaimes, Diana Carolina, Villafañe Bermúdez, Douglas Ramón, Suárez Barajas, Ehimy Marcela, López, Franklin Atencia, Guerrero Tinoco, Gustavo Adolfo, Cáceres Mosquera, Jimena Adriana, Cárdenas Aguilera, Juan Guillermo, González, Luz Esthella, Osorio Ruiz, María Franqueline, Carrascal Guzmán, Martha Isabel, Mejía Gaviria, Natalia, Sierra Quiroz, Yusir, Espitaleta, Zilac, and Beltrán, Sandra

Subjects
kidney, pediatrics, pediatría, SARS-CoV-2, niño, COVID-19, SARS-CoV, Child, enfermedades renales, diseases
Abstract

resumen está disponible en el texto completo Abstract Introduction: The numbers of SARS-CoV-2 infection in the pediatric population are low so far. There is limited information about the behavior of SARS-CoV-2 in a pediatric patient with chronic kidney disease. Objective: To formulate informed recommendations to the prevention, diagnosis, and management of SARS-CoV-2 infection in pediatric patients with kidney disease or acute kidney injury associated with COVID-19 in Colombia. Methodology: A rapid systematic review was performed in Embase and Pubmed databases and scientific societies, to answer questions prioritized by clinical experts in pediatric nephrology. The quality of the evidence was evaluated with validated tools according to the type of study. The preliminary recommendations were consulted by an expert group. The agreement was defined when approval was obtained from at least 70% of the experts consulted. Results: A response was obtained from ' 9 experts in pediatric nephrology in Colombia, who declared the conflict of interest before the consultation. The range of agreement for the recommendations ranged from 78.9% to '00%. The recommendations did not require a second consultation. Conclusion: The evidence-based recommendations for the management of a patient with kidney disease and COVID-19 in the Colombian context are presented.

Published
2021

42. Perfil de sensibilidad antimicrobiana de bacterias aisladas de vacas lecheras con mastitis en propiedades de agricultura familiares

Author

Lima, Allana Lais Alves, Cruz, Andrea Viana da, Gonzalez , Camilo Andres Gonzalez, Silva, Elton Alex Correa, Souza, Maura Cardoso de, Lima, Hellen Krislen Souza, Reis, Marcos Benedito Castro, Costa, Regiane Ribeiro da, Oliveira, Ana Lídia Brito, Jesus, Iroleide Santana de, Silveira , José Alcides Sarmento da, and Silveira, Natália da Silva e Silva

Subjects
Uubre, Rebanhos leiteiros, Udder, Dairy herds, Family farming, Úbere, Agricultura familiar, Rebaños lecheros
Abstract

The objective of this study was to investigate the etiology and sensitivity profile of Gram positive bacteria isolated from the milk of cows with mastitis. Milk samples were analyzed from the Nova Jerusalem, community located in the municipality of Paragominas, Southeast Region of the state of Pará. Of the total of 24 samples collected, 24.56% of the isolates were identified as Staphylococcus aureus, 14.03% as coagulase-negative Staphylococcus and 3.51% Streptococcus spp. The Staphylococcus aureus showed sensitivity to ceftiofur, enrofloxacin, streptomycin, neomycin, and norfloxacin, and higher resistance to bacitracin, penicillin G, and sulfonamides, the samples of coagulase-negative Staphylococcus were shown to be sensitive to the antimicrobials cephalothin, ceftiofur, enrofloxacin, streptomycin, and norfloxacin, and showed greater resistance to bacitracin and lincomycin, whereas in the samples that were isolated Streptococcus spp., were observed higher percentages of sensitivity against cephalothin, ceftiofur, gentamicin, and norfloxacin, and higher resistance to bacitracin and penicillin G. The results obtained may be related to the fact that the antimicrobials that showed bigger efficiency are not routinely used in the treatment of the animals studied, mainly because they have a higher market value, in relation to those that obtained greater microbial resistance. El objetivo de este estudio fue investigar la etiología y el perfil de sensibilidad de bacterias Gram positivas aisladas de la leche de vacas con mastitis. fueron analizado muestras de leche de la comunidad Nova Jerusalem, ubicada en el municipio de Paragominas, Región Sudeste del estado de Pará. Del total de 24 muestras recolectadas, el 24,56% de los aislamientos se identificaron como Staphylococcus aureus, el 14,03% como Staphylococcus coagulasa negativo y el 3,51% como Streptococcus spp. Staphylococcus aureus mostró sensibilidad a ceftiofur, enrofloxacino, estreptomicina, neomicina y norfloxacina y mayor resistencia a bacitracina, penicilina G y sulfonamidas, mientras que las muestras de Staphylococcus coagulasa negativo mostraron sensibilidad a los antimicrobianos cefaofoxina, cefaxina y estrofloftioflofti, y mostraron mayor resistencia a bacitracina y lincomicina, mientras que en las muestras que se aislaron Streptococcus spp., mayores porcentajes de sensibilidad frente a cefalotina, ceftiofur, gentamicina y norfloxacina, y mayor resistencia a bacitracina y penicilina G. Los resultados obtenidos pueden estar relacionados con el hecho de que los antimicrobianos que mostraron mayor efectividad no se utilizan de forma rutinaria en el tratamiento de los animales estudiados, principalmente porque tienen un mayor valor de mercado, en relación a los que obtuvieron mayor resistencia microbiana. O objetivo deste trabalho foi pesquisar a etiologia e o perfil de sensibilidade de bactérias Gram positivas isoladas do leite de vacas com mastite. Foram analisadas amostras de leite provenientes da comunidade Nova Jerusalém, situada no município de Paragominas, Região Sudeste do estado do Pará. Do total de 24 amostras coletadas, 24,56% dos isolados foram identificados como Staphylococcus aureus, 14,03% como Staphylococcus coagulase-negativa e 3,51% Streptococcus spp. Os Staphylococcus aureus apresentaram sensibilidade à ceftiofur, enrofloxacina, estreptomicina, neomicina e norfloxacina e maior resistência à bacitracina, penicilina G e sulfonamidas, já as amostras de Staphylococcus coagulase-negativa, mostraram-se sensíveis aos antimicrobianos cefalotina, ceftiofur, enrofloxacina, estreptomicina e norfloxacina, e demostrou maior resistência à bacitracina e lincomicina, enquanto que nas amostras que foram isoladas Streptococcus spp., observaram-se maiores percentuais de sensibilidade frente a cefalotina, ceftiofur, gentamicina e norfloxacina, e maior resistência a bacitracina e penicilina G. Os resultados obtidos podem estar relacionados ao fato de os antimicrobianos que apresentaram maior eficácia não serem empregados rotineiramente no tratamento dos animais estudados, principalmente por terem um valor de mercado mais alto, em relação aos que obtiveram maior resistência microbiana.

Published
2020

43. Synchronization of asynchronous wind turbines

Author

Cidras, Jose, Feijoo, Andres Elias, and Gonzalez, Camilo Carrillo

Subjects
Wind power -- Evaluation, Air-turbines -- Evaluation, Business, Electronics, Electronics and electrical industries
Abstract

In this paper, a theoretical analysis and explanation of synchronization phenomena in wind parks with asynchronous generators is presented. Index Terms--Asynchronous wind turbine, slow voltage fluctuation, synchronization of induction machines, wind energy, wind park.

Published
2002

44. Perfil de sensibilidade antimicrobiana de bacterias isoladas de leite de vacas com mastite em propriedades de agricultura familiar

Author

Lima, Allana Lais Alves, primary, Cruz, Andrea Viana da, additional, Gonzalez, Camilo Andres Gonzalez, additional, Silva, Elton Alex Correa, additional, Souza, Maura Cardoso de, additional, Lima, Hellen Krislen Souza, additional, Reis, Marcos Benedito Castro, additional, Costa, Regiane Ribeiro da, additional, Oliveira, Ana Lídia Brito, additional, Jesus, Iroleide Santana de, additional, Silveira, José Alcides Sarmento da, additional, and Silveira, Natália da Silva e Silva, additional

Published
2020
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47. Consenso colombiano de expertos sobre recomendaciones informadas en la evidencia para la prevención, diagnóstico y manejo de la infección por SARS-CoV-2/COVID-19 en paciente pediátrico con enfermedad renal crónica o lesión renal aguda asociada a COVID-19.

Author

Baquero, Richard, primary, Yomayusa, Nancy, additional, Gonzalez, Camilo, additional, Yama, Erika, additional, Vargas, Juan Guillermo, additional, Rico, Jorge, additional, Ariza, Amaury, additional, Aroca, Gustavo, additional, Chacón, Kelly, additional, Torres, Rodolfo, additional, Robayo, Adriana, additional, Meza Martínez, Adriana Isabel, additional, Calderón Ortiz, Angélica María, additional, Zapata Chica, Carlos Andrés, additional, Morales Contreras, Carol Lisbeth, additional, Ochoa García, Carolina Lucia, additional, Pinto Bernal, Claudia, additional, Chacón Jaimes, Diana Carolina, additional, Villafañe Bermúdez, Douglas Ramón, additional, Suárez Barajas, Ehimy Marcela, additional, Atencia López, Franklin, additional, Guerrero Tinoco, Gustavo Adolfo, additional, Cáceres Mosquera, Jimena Adriana, additional, Cárdenas Aguilera, Juan Guillermo, additional, González, Luz Esthella, additional, Osorio Ruiz, María Franqueline, additional, Carrascal Guzmán, Martha Isabel, additional, Mejía Gaviria, Natalia, additional, Sierra Quiroz, Yusir, additional, Espitaleta, Zilac, additional, and Beltrán, Sandra, additional

Published
2020
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48. Consenso colombiano de expertos sobre recomendaciones informadas en la evidencia para la prevención, diagnóstico y manejo de la lesión renal aguda por SARS-CoV-2/COVID-19

Author

Gonzalez, Camilo, primary, Yama, Erika, additional, Yomayusa, Nancy, additional, Vargas, Juan, additional, Rico, Jorge, additional, Ariza, Amaury, additional, Aroca, Gustavo, additional, Baquero, Richard, additional, Ramírez, Roberto, additional, Chacón, Kelly, additional, Torres, Rodolfo, additional, Robayo, Adriana, additional, Peña, Adalberto, additional, Meza, Adriana, additional, Molano, Alejandra, additional, Caicedo, Andrea, additional, Acevedo, Andrés, additional, Calderón, Angélica, additional, Zambrano, Betty, additional, Guido Musso, Carlos, additional, Lozano, Carlos, additional, Buitrago, Cristóbal, additional, Ballesteros, David, additional, Chacón, Diana, additional, Vargas, Diana, additional, Gayón, Diana, additional, Villafañe, Douglas, additional, López, Francisco, additional, Ardila, Freddy, additional, Pinzón, Guillermo, additional, Guerrero, Gustavo, additional, Benavides, Helman, additional, Villanueva, Ignacio, additional, Raoch, Ingrid, additional, Galeano, Javier, additional, Gordon, Jennifer, additional, Cáceres, Jimena, additional, Pulido, Jorge, additional, Pérez, Jorge, additional, Contreras, Kateir, additional, Aristizábal, Leidy, additional, Valderrama, Luis, additional, Gómez, María, additional, Vargas, María, additional, Carrascal, Martha, additional, Rodríguez, Martha, additional, Guerrero, Mauricio, additional, Alfaro, Mercedes, additional, Tobón, Natalia, additional, García, Paola, additional, Rodríguez, Paula, additional, Daza, Rodrigo, additional, and Espitaleta, Zilac, additional

Published
2020
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