Dr. Roger Z. Ríos Mercado


Profesor Titular A
Programa de Posgrado en Ingeniería de Sistemas
U A N L
Investigador Nacional SNI Nivel 2

Academic Degrees

  • Ph.D., Operations Research, U. of Texas – Austin, USA (1997)
  • M.S.E., Operations Research, U. of Texas – Austin (1992)
  • Lic. in Mathematics, UANL (1988)

Postdoctoral/Visiting Positions

  • Visiting Scholar, Universitat Politecnica de Catalunya, Spain (2015)
  • Visiting Scholar, University of Texas at Austin, USA (2014)
  • Visiting Scholar, University of Texas at Austin, USA (2013)
  • Visiting Scholar, Universitat Politecnica de Catalunya, Spain (2013)
  • Fulbright Scholar (sabbatical leave), University of Texas at Austin, USA (2012-2013)
  • Visiting Scholar, Universitat Politecnica de Catalunya, Spain (2007)
  • MEC Visiting Scholar (sabbatical leave), Universitat Politecnica de Catalunya, Spain (2005-2006)
  • Visiting Scholar, University of Colorado, USA (2004)
  • Visiting Researcher, University of Houston, USA (1997-1999)
  • Postdoctoral Fellow, Texas A&M University, USA (1997-1999)

Research Interests

  • Discrete optimization
  • Heuristic and metaheuristic (GRASP, tabu search, scatter search, iterated greedy, VNS) techniques for fast and high-quality solutions to hard optimization problems
  • Exact optimization schemes (B&B, B&C, B&P) for mixed-integer programming
  • Location science
  • Combinatorial optimization
  • Scheduling
  • Territory design
  • Routing and transportation
  • Application areas:
    • Health-care applications
    • Ambulance relocation/deployment
    • Districting/territory design applications in product distribution/recycling applications
    • Efficient use of natural resources and environment
    • Forestry management
    • Optimization of natural gas transmission systems
    • Machine scheduling problems in manufacturing systems

Courses Taught at PISIS

  • Data structures in C++
  • Dynamic programming
  • Foundations of integer programming
  • Linear optimization
  • Metaheuristic optimization
  • Network flow programming
  • Queueing systems
  • Stochastic processes
  • Operations research (undergrad)
  • Optimization topics (undergrad)

Mailing Address

UANL
AP 111 – F, Cd. Universitaria
San Nicolás de los Garza, NL 66450
México
Tel. +52 (81) 8329-4000 x1634
Tel. +52 (81) 8329-4000 x5945 (Assistant)
 roger.riosuanl.edu.mx
 http://yalma.fime.uanl.mx/~roger/

Visit Prof Rios’ Publications site.

Recent Supervised Thesis can be found at the Students page

Recent Publications:

152 registros « 3 de 4 »

2004

Luna, Valenzuela M L; Ríos-Mercado, R Z

Comparando Ḿetodos Heurísticos para Secuenciar Tareas en Líneas de Flujo Artículo de revista

Ingenierías, 7 (25), pp. 35–39, 2004.

BibTeX

Borraz-Śanchez, C; Ríos-Mercado, R Z

A Non-Sequential Dynamic Programming Approach for Natural Gas Network Optimization Artículo de revista

WSEAS Transactions on Systems, 3 (4), pp. 1384–1389, 2004.

BibTeX

Súarez, Vargas L; Robles, Cano I; Ríos-Mercado, R Z

Aplicacíon de la Programacíon Lineal en el Sector Forestal Artículo de revista

Ingenierías, 7 (24), pp. 19–26, 2004.

BibTeX

Borraz-Śanchez, C; Ríos-Mercado, R Z

A Procedure for Finding Initial Feasible Solutions on Cyclic Natural Gas Networks Inproceedings

Proceedings of the 2004 NSF Design, Service and Manufacturing Grantees and Research Conference, Dallas, 2004.

BibTeX

Aguilar, Salazar M A; Mercado, Ríos R Z

Minimizaci'on Heurística del N'umero de Tareas Tardías al Secuenciar Líneas de Flujo Artículo de revista

Ingenierías, 7 (23), pp. 52–57, 2004.

BibTeX

Aguilar, Salazar M A; Mercado, Ríos R Z

Minimizacíon Heurística del Ńumero de Tareas Tardías al Secuenciar Líneas de Flujo Artículo de revista

Ingenierías, 7 (23), pp. 52–57, 2004.

BibTeX

2003

Ríos-Mercado, R Z; Kim, S; Boyd, E A

Efficient operation of natural gas transmission systems: A network-based heuristic for cyclic structures Informe técnico

Graduate Program in Systems Engineering, UANL San Nicolás de los Garza, México, 2003, (PISIS-2003-03.).

Enlaces | BibTeX

Flores-Villarreal, H J; Ríos-Mercado, R Z

Efficient Operation of Natural Gas Pipeline Networks: Computational Finding of High Quality Solutions Inproceedings

Proceedings of the International Applied Business Research Conference, Acapulco, 2003.

BibTeX

Ríos-Mercado, R Z; Bard, J F

The Flow Shop Scheduling Polyhedron with Setup Times Artículo de revista

Journal of Combinatorial Optimization, 7 (3), pp. 291–318, 2003.

BibTeX

Ríos-Mercado, R Z; Kalashnikov, V V

La Optimizacíon Binivel: Estudio de un Caso en la Industria de Gas Natural Artículo de revista

Ingenierías, 6 (20), pp. 47–52, 2003.

BibTeX

Flores-Villarreal, H J; Ríos-Mercado, R Z

Computational Experience with a GRG Method for Minimizing Fuel Consumption on Cyclic Natural Gas Networks Parte de obra colectiva

Mastorakis, N E; Stathopulos, I A; Manikopoulos, C; Antoniou, G E; Mladenov, V M; Gonos, I F (Ed.): Computational Methods in Circuits and Systems Applications, pp. 90–94, WSEAS Press, Athens, Greece, 2003.

BibTeX

Villalobos-Morales, Y; Cobos-Zaleta, D; Flores-Villarreal, H J; Borraz-Śanchez, C; Ríos-Mercado, R Z

On NLP and MINLP Formulations and Preprocessing for Fuel Cost Minimization of Natural Gas Transmission Networks Inproceedings

Proceedings of the 2003 NSF Design, Service and Manufacturing Grantees and Research Conference, Birmingham, 2003.

BibTeX

2002

Morales, Villalobos Y; Ríos-Mercado, R Z

Preprocesamiento efectivo de un problema de minimización de combustible en sistemas de transporte de gas natural Informe técnico

Graduate Program in Systems Engineering, UANL San Nicolás de los Garza, México, 2002, (PISIS-2002-01.).

Enlaces | BibTeX

Kalashnikov, V V; Ríos-Mercado, R Z

Solving a natural gas cash-out bilevel program by a penalty function method Informe técnico

Graduate Program in Systems Engineering, UANL San Nicolás de los Garza, México, 2002, (PISIS-2002-03.).

Enlaces | BibTeX

Cobos-Zaleta, D; Ríos-Mercado, R Z

A MINLP Model for Minimizing Fuel Consumption on Natural Gas Pipeline Networks Inproceedings

Proceedings of the XI Latin-Ibero-American Conference on Operations Research, Concepcíon, Chile, 2002.

BibTeX

Ríos-Mercado, R Z; Wu, S; Scott, L R; Boyd, E A

A Reduction Technique for Natural Gas Transmission Network Optimization Problems Artículo de revista

117 (1--4), pp. 217–234, 2002.

BibTeX

Ríos-Mercado, R Z; Osorio-Lama, M A; Morales, L B; Maldonado, F (Ed.)

Operations Research and Systems. Part I: Probability and Mathematical Programming Libro

Kluwer, Boston, 2002, (Special issue of textitAnnals of Operations Research).

BibTeX

Ríos-Mercado, R Z; Osorio-Lama, M A; Morales, L B; Maldonado, F (Ed.)

Operations Research and Systems. Part II: Algorithms, Heuristics and Energy Markets Libro

Kluwer, Boston, 2002, (Special issue of textitAnnals of Operations Research).

BibTeX

Ríos-Mercado, R Z

Natural Gas Pipeline Optimization Parte de obra colectiva

Pardalos, P M; Resende, M G C (Ed.): Handbook of Applied Optimization, pp. 813–825, Oxford University Press, New York, 2002.

BibTeX

2001

Ríos-Mercado, R Z; Bard, J F

Secuenciando ́Optimamente Líneas de Flujo en Sistemas de Manufactura Artículo de revista

Ciencia UANL, 4 (1), pp. 48–54, 2001.

BibTeX

Ríos-Mercado, R Z; Secomandi, N; Buraparate, V

Minimizing Cash-Out Penalty Costs: A Bilevel Programming Model Inproceedings

Proceedings of the 2001 NSF Design, Service and Manufacturing Grantees Research Conference, Tampa, 2001.

BibTeX

2000

Ríos-Mercado, R Z; Wu, S; Scott, L R; Boyd, E A

Preprocessing on natural gas transmission networks Informe técnico

Graduate Program in Systems Engineering, UANL San Nicolás de los Garza, México, 2000, (PISIS-2000-01.).

Enlaces | BibTeX

Ríos-Mercado*, R Z; Wu, S; Scott, L R; Boyd, E A

Preprocessing on natural gas transmission networks Informe técnico

Graduate Program in Systems Engineering, UANL San Nicolás de los Garza, México, 2000, (PISIS-2000-01.).

Enlaces | BibTeX

Wu, S; Scott, L R; Ríos-Mercado, R Z; Boyd, E A

A Network Reduction Technique for Natural Gas Pipeline Networks Inproceedings

Proceedings of the X Latin-American Conference on Operations Research and Systems, Mexico City, 2000.

BibTeX

Wu, S; Ríos-Mercado, R Z; Boyd, E A; Scott, L R

Model Relaxations for the Fuel Cost Minimization of Steady-State Gas Pipeline Networks Artículo de revista

Mathematical and Computer Modelling, 31 (2--3), pp. 197–220, 2000.

BibTeX

Ríos-Mercado, R Z; Bard, J F

Heurísticas para Secuenciamiento de Tareas en Líneas de Flujo Artículo de revista

Ciencia UANL, 3 (4), pp. 420–427, 2000.

BibTeX

Ríos-Mercado, R Z; Gonźalez-Velarde, J L

Investigacíon de Operaciones en Accíon: Heurísticas para la Solucíon del TSP Artículo de revista

Ingenierías, 3 (9), pp. 15–20, 2000.

BibTeX

Kim, S; Ríos-Mercado, R Z; Boyd, E A

Heuristics for Minimum Cost Steady-State Gas Transmission Networks Parte de obra colectiva

Laguna, M; Gonźalez-Velarde, J L (Ed.): Computing Tools for Modeling, Optimization, and Simulation, pp. 203–213, Kluwer, Boston, 2000.

BibTeX

Kim, S; Ríos-Mercado, R Z; Boyd, E A

Minimizing Fuel Usage on Gas Pipelines: A Network Based Algorithm for Looped Topologies Inproceedings

Proceedings of the 2000 NSF Design and Manufacturing Research Conference, Vancouver, 2000.

BibTeX

1999

Kim, S; Ríos-Mercado, R Z; Boyd, E A

A Heuristic for Minimum Cost Steady-State Gas Transmission Networks Inproceedings

Proceedings of the 25th International Conference on Computers & Industrial Engineering, New Orleans, 1999.

BibTeX

Wu, S; Ríos-Mercado, R Z; Boyd, E A; Scott, L R

Model Relaxations for the Fuel Cost Minimization of Steady-State Gas Pipeline Networks Informe técnico

Department of Computer Science, University of Chicago Chicago, (TR--99--01), 1999.

BibTeX

Ríos-Mercado, R Z; Bard, J F

A Branch-and-Bound Algorithm for Permutation Flow Shops with Sequence-Dependent Setup Times Artículo de revista

IIE Transactions, 31 (8), pp. 721–731, 1999.

BibTeX

Ríos-Mercado, R Z; Bard, J F

An Enhanced TSP-Based Heuristic for Makespan Minimization in a Flow Shop with Setup Times Artículo de revista

Journal of Heuristics, 5 (1), pp. 57–74, 1999.

BibTeX

Gonźalez-Velarde, J L; Ríos-Mercado, R Z

Investigacíon de Operaciones en Accíon: Aplicacíon del TSP en Problemas de Manufactura y Logística Artículo de revista

Ingenierías, 2 (4), pp. 18–23, 1999.

BibTeX

Wu, S; Scott, L R; Boyd, E A; Ríos-Mercado, R Z

Towards the Simplifaction of Natural Gas Transmission Networks Inproceedings

Proceedings of the 1999 NSF Design and Manufacturing Grantees Conference, Long Beach, 1999.

BibTeX

1998

Ríos-Mercado, R Z

Lagrangian Relaxations for Minimum Cost Gas Transmission Networks Sin publicar

1998, (Manuscript, Department of Industrial Engineering, Texas A&M University).

BibTeX

Ríos-Mercado, R Z; Bard, J F

Heuristics for the Flow Line Problem with Setup Costs Artículo de revista

European Journal of Operational Research, 110 (1), pp. 76–98, 1998.

BibTeX

Ríos-Mercado, R Z; Bard, J F

Computational Experience with a Branch-and-Cut Algorithm for Flowshop Scheduling with Setups Artículo de revista

Computers & Operations Research, 25 (5), pp. 351–366, 1998.

BibTeX

Bixby, R E; Boyd, E A; Ríos-Mercado, R Z (Ed.)

Integer Programming and Combinatorial Optimization Libro

Springer, Berlin, 1998.

Enlaces | BibTeX

1997

Ríos-Mercado, R Z; Bard, J F

An Enhanced TSP-Based Heuristic for Makespan Minimization in a Flow Shop with Setup Times Informe técnico

Graduate Program in Operations Research, University of Texas Austin, TX 78712--1063, (ORP97--08), 1997.

BibTeX

Boyd, E A; Ríos-Mercado, R Z

Compressor Driven Network Flows Inproceedings

Proceedings of the 1998 NSF Design and Manufacturing Grantees Conference, pp. 191–192, NSF Arlington, VA 22230, 1997.

BibTeX

Ríos-Mercado, R Z; Bard, J F

A Branch-and-Bound Algorithm for Flowshop Scheduling with Setup Times Informe técnico

Graduate Program in Operations Research, University of Texas Austin, TX 78712--1063, (ORP97--02), 1997.

BibTeX

Ríos-Mercado, R Z; Bard, J F

Computational Experience with a Branch-and-Cut Algorithm for Flowshop Scheduling with Setups Informe técnico

Graduate Program in Operations Research, University of Texas Austin, TX 78712--1063, (ORP97--01), 1997.

BibTeX

1996

Ríos-Mercado, R Z; Bard, J F

The Flowshop Scheduling Polyhedron with Setup Times Informe técnico

Graduate Program in Operations Research, University of Texas Austin, TX 78712--1063, (ORP96--07), 1996.

BibTeX

Ríos-Mercado, R Z; Bard, J F

New Heuristics for the Flow Line Problem with Setup Costs Informe técnico

Graduate Program in Operations Research, University of Texas Austin, TX 78712--1063, (ORP96--01), 1996.

BibTeX

1995

Ríos-Mercado, R Z; Bard, J F

Flowshop Scheduling with Sequence-Dependent Setup Times: Heuristics, Local Search, and Lower Bounds Informe técnico

Graduate Program in Operations Research, University of Texas at Austin 1995.

BibTeX

Ríos-Mercado, R Z; Bard, J F

The Flowshop Scheduling Problem with Sequence-Dependent Setup Times: A Mathematical Framework Informe técnico

Graduate Program in Operations Research, University of Texas at Austin 1995.

BibTeX

Ríos-Mercado, R Z; Bard, J F

The Flowshop Scheduling Problem with Sequence-Dependent Setup Times: A Preliminary Heuristic Study Informe técnico

Graduate Program in Operations Research, University of Texas at Austin 1995.

BibTeX

Ríos-Mercado, R Z; Bard, J F

The Flowshop Scheduling Problem: A Survey Informe técnico

Graduate Program in Operations Research, University of Texas at Austin 1995.

BibTeX

Ríos-Mercado, R Z; Bard, J F

The Flowshop Scheduling Problem with Sequence-Dependent Setup Times: Local Search Procedures Informe técnico

Graduate Program in Operations Research, University of Texas at Austin 1995.

BibTeX

152 registros « 3 de 4 »

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