88 episodes

"Subject to" offers a series of informal conversations with relevant figures in the fields of Operations Research, Combinatorial Optimization and Logistics, and they are hosted by Anand Subramanian, an Associate Professor at Universidade Federal da Paraíba, Brazil.

About the host:
Anand was born and raised in João Pessoa, Brazil. His parents are Indian immigrants who moved to Brazil in the early 1970s. He is an author of more 50 articles published in highly-ranked international journals, has more than 4300 citations on Google Scholar, and a h-index of 33.

Subject to Anand Subramanian

    • Science
    • 5.0 • 2 Ratings

"Subject to" offers a series of informal conversations with relevant figures in the fields of Operations Research, Combinatorial Optimization and Logistics, and they are hosted by Anand Subramanian, an Associate Professor at Universidade Federal da Paraíba, Brazil.

About the host:
Anand was born and raised in João Pessoa, Brazil. His parents are Indian immigrants who moved to Brazil in the early 1970s. He is an author of more 50 articles published in highly-ranked international journals, has more than 4300 citations on Google Scholar, and a h-index of 33.

    Subject to: Jan Karel Lenstra

    Subject to: Jan Karel Lenstra

    Jan Karel Lenstra is CWI Fellow and former general director of Centrum Wiskunde & Informatica, the national research institute for mathematics and computer science in Amsterdam, the Netherlands. His research interests are in combinatorial optimization, in particular scheduling, routing, complexity, and approximation. He was co-editor of fifteen books, including "The Traveling Salesman Problem", "History of Mathematical Programming", and "Local Search in Combinatorial Optimization". He has been chair of the Mathematical Optimization Society and of the Royal Dutch Mathematical Society. He has also been chair of Committees on Mathematics in Primary Education and on Informatics in Secondary Education of the Royal Netherlands Academy for Arts and Sciences, and of the Spinoza and Stevin Prize Committees of the Dutch Science Council. He served as editor-in-chief of Mathematics of OR and of OR Letters. Jan Karel became an INFORMS fellow in 2004 and he was awarded the EURO Gold Medal in 2011. In that same year, he was made a knight of the Order of the Netherlands Lion.

    • 1 hr 19 min
    Subject to: Ted Ralphs

    Subject to: Ted Ralphs

    Dr. Ted Ralphs received his Ph.D. in Operations Research from Cornell University in 1995. He is a professor in the Department of Industrial and Systems Engineering (ISE) at Lehigh University and is co-founder and director of Lehigh's Laboratory for Computational Optimization Research at Lehigh (COR@L). He is also co-founder and board member of the COIN-OR Foundation, a non-profit foundation promoting the development of open source software for operations research, as well as the project manager for a variety of projects hosted in the COIN-OR open source software repository. He is the area editor for Software Tools at the INFORMS Journal on Computing and the area editor for Data, Software, and Computation at Operations Research. He is a Fellow of INFORMS. His research interests include theoretical aspects of discrete optimization, such as duality and complexity theory; development of a variety of methodologies for solving a range of discrete optimization problems, such as those with multiple levels/stages or multiple objectives; development of parallel search algorithms; development of open source software; and applications of discrete optimization.

    • 1 hr 27 min
    Subject to: Martin Grötschel

    Subject to: Martin Grötschel

    Martin Grötschel, born in 1948, studied mathematics at U Bochum (1969-1973), received his PhD in economics (1977) and his habilitation in Operations Research (1981) at U Bonn. He was professor of applied mathematics at U Augsburg 1982-1991, professor of information technology at TU Berlin and vice president/president of the Zuse Institute for Information Technology Berlin (ZIB) 1991-2015. Grötschel was the President of the German Mathematical Society (DMV) 1993-1994, Secretary General of the International Mathematical Union (IMU) 2007-2014, President of the Berlin Brandenburg Academy of Sciences and Humanities (BBAW) 2015-2020 and chaired the DFG Research Center MATHEON “Mathematics for Key Technologies” 2002-2008. He has held numerous further science administration and advisory positions. Grötschel’s main areas of research are discrete mathematics, optimization, and operations research. He has made, e.g., contributions to polyhedral combinatorics and to the development of methods proving the polynomial time solvability of optimization problems. He has also focused on the design of practically efficient algorithms for hard combinatorial optimization problems appearing in practice, such as the travelling salesman, the max-cut, the linear ordering, and various connectivity problems. Cutting plane algorithms for integer programming are among his favorites. The application areas include telecommunications, chip design, energy, production planning and control, logistics, and public transport. He has been an open access and open science activist and is currently involved in fostering digital humanities. Grötschel’s scientific achievements were honored with several distinctions including the Cantor Medal, the Leibniz, the Beckurts, the Dantzig, the Fulkerson, and the John von Neumann Theory Prize. He holds four honorary degrees and is a member of seven scientific academies, including the US National Academy of Engineering. For more details, see http://www.zib.de groetschel/ Martin Grötschel and his wife Iris enjoy travelling, understanding and appreciating varied cultures, and exploring their history and archaeology.

    • 1 hr 48 min
    Subject to: Carola Doerr

    Subject to: Carola Doerr

    Carola Doerr, formerly Winzen, is a CNRS research director in the Computer Science department LIP6 of Sorbonne Université in Paris, France. Carola's main research activities are in the analysis of black-box optimization algorithms, both by mathematical and by empirical means. Specifically, she is very interested in controlling the choice and the configuration of black-box optimization algorithms all along the optimization process -- with and without Machine Learning techniques. She is equally interested in complexity results, running time bounds, good benchmarking practices, empirical evaluations, and practical applications of self-adjusting black-box optimization algorithms. Carola is associate editor of IEEE Transactions on Evolutionary Computation, ACM Transactions on Evolutionary Learning and Optimization (TELO) and Evolutionary Computation. She is/was program chair for the BBSR track at GECCO 2024, the GECH track at GECCO 2023, for PPSN 2020, FOGA 2019 and for the theory tracks of GECCO 2015 and 2017. She has organized Dagstuhl seminars and Lorentz Center workshops. Together with Pascal Kerschke, Carola leads the 'Algorithm selection and configuration' working group of COST action CA22137. Carola's works have received several awards, among them the CNRS bronze medal, the Otto Hahn Medal of the Max Planck Society, best paper awards at GECCO, CEC, and EvoApplications.

    • 1 hr 14 min
    Subject to: Emilio Carrizosa

    Subject to: Emilio Carrizosa

    Emilio Carrizosa is Full Professor of Statistics and Operations Research in the University of Seville, Spain. His research interests include: Industrial and Applied Mathematics; Data Science (Explainable and Fair Machine Learning, Supervised Classification and Regression), Mathematical Optimization and Operations Research (Mixed Integer Nonlinear Programming, Global Optimization, Vector Optimization). He is President of math-in, the Spanish Network of Industrial Mathematics (2021-), President of PET MSO-ED, the Spanish Platform for Technologies of Modelling, Simulation and Optimization in a Digital Environment (2023-), and has served as Director of IMUS, the Mathematical Institute of the University of Seville, President of SEIO, the Spanish Statistics and OR Society, and Editor-in-Chief of TOP, the Spanish OR journal. He has (Scopus: 18.10.23) 147 publications with 1,848 citations (819 in the period 2019-2023), yielding an h-index: 25. He has papers in top journals in the area Operations Research and Management Science: Operations Research (2), Mathematical Programming (6), Management Science (1), Mathematics of Operations Research (4), Omega (4), European Journal of Operational Research (25), Computers & OR (21). Due to his interdisciplinary research, he has also published indisciplines beyond OR: Statistics and Probability (Biostatistics, ADAC, CSDA, J Multivariate Analysis, J of Applied Probability), Energy (Applied Energy, Solar Energy, International Journal of Energy Research), Chemical Engineering (Computers & Chemical Engineering, Industrial & Engineering Chemistry Research), Hydrology (J of Hydrology). The Spanish Research Agency has acknowledged 5 research periods (5 sexenios de investigación): 1990-95, 1996-01, 2002-07, 2008-13, 2014-19. He has supervised 14 PhD Theses (plus 4 ongoing in the University of Seville), three of them have been awarded various national and international prizes: Vanesa Guerrero (Premio Extraordinario de Doctorado Universidad de Sevilla, Research Award Vicent Caselles RSME-FBBVA, Research Award Ramiro Melendreras SEIO 2018), M. Asunción Jiménez-Cordero (Premio Extraordinario de Doctorado Universidad de Sevilla), Cristina Molero-Rı́o (Classification Society Distinguished Dissertation Award 2022). For his research activity, he has received awards such as the Excellence FAMA Award 2020 (branch: Sciences) in the University of Seville, the Award Academia Sevillana de Ciencias for young researchers (1998) and the Doc2toral Award in the PhD in Mathematics in the University of Seville (1993). He is involved in Transfer of Knowledge activities. He has been leading researcher in industrial projects and contracts in applications of OR to different sectors: Energy (Repsol, Abengoa, TSK Flagsol), Health (UDX), Logistics (Azur Global Business SL), Information Technologies (Junta de Andalucı́a), and also participating in contracts on Environment (Junta de Andalucı́a), Smart cities (IMESAPI), Logistics (Portel). Since 2022 he is Scientific Advisor of the OR-IA company OGA. The Spanish Research Agency has acknowledged 1 transfer of knowledge period (1 sexenio de transferencia): -2013. He has an intense activity of outreach, participating in debates and interviews in tv, radio and newspapers on industrial mathematics and teaching mathematics.

    • 1 hr 27 min
    Subject to: Shadi Sharif Azadeh

    Subject to: Shadi Sharif Azadeh

    Shadi Sharif Azadeh is an associate professor at Civil Engineering and Geosciences faculty and the co-director of SUM Lab (Sustainable Urban Multi-modal Mobility) at TU Delft. Previously, she worked as an assistant professor at Erasmus University Rotterdam, in the group of Operations Research and Logistics. She holds a PhD in Mathematics (operations research) from Polytechnique Montreal where she received doctorate excellency award at University of Montreal (CIRRELT) as well as Michael Florian Award for best PhD thesis research award in Canada. Her areas of expertise include integration of operations research with behavioural models for transport, mobility and logistics networks (Choice Driven Optimization). More precisely, her current major projects are related to: (i) developing methods to tackle uncertainty with a special focus on forecasting and scenario generation for passenger mobility and parcel delivery services; (ii) combining pricing and assortment optimisation methods to model supply and demand interplay for last mile trip/delivery; (iii) developing real-time methods to incorporate in combinatorial optimisation framework for large-scale transport problems; (iv) special focus on designing sustainable multi-modal transport systems; and (v) introducing solutions to mitigate the impacts of climate change on transport networks. She is an Associate Editor at Transportation Science, an editorial board editor at Transportation Research Part B: Methodological, editorial board member of Transportation Research Part C: Emerging Technologies. She serves as an Associate Editor of Nature Series (npj) Sustainable Mobility and Transport journal. She has served as guest editor of three special issues at Transportation Science (2021-2023), EURO Journal of Transport and Logistics (2021-2023) and OR Spectrum (2023-).

    • 1 hr 31 min

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