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Igor Averbakh

Igor  Averbakh

Igor Averbakh

Professor of Operations Management and Statistics, Department of Management at University of Toronto Scarborough.

Degrees:

PhD, Moscow Institute of Physics and Technology, 1990
MSc, Moscow Institute of Physics and Technology, 1987

Bio

Igor Averbakh is a Professor, Department of Management at the University of Toronto Scarborough, with a cross-appointment to the Operations Management area at Rotman.  He has received several awards and grants including NSERC and Connaught. His research focuses on discrete optimization, optimization under uncertainty, facilities location, network optimization, logistics, routing and scheduling. He teaches on the topics of Management Science and Operations Research, Optimization, Network Models and Statistics.

Academic Positions

  • 2007-present

    Professor, University of Toronto

  • 2000-2007

    Associate Professor, University of Toronto

  • 1996-2000

    Assistant Professor, Western Washington University

  • 1995-96

    Assistant Professor, University of Toronto

  • 1992-95

    Post-Doctorate and Research Associate, University of Toronto

  • 1990-92

    Assistant Professor, Chelyabinsk Technical University, Russia

Selected Publications - Papers

  • Network construction / restoration problems: cycles and complexity.

    T.Wang and I.Averbakh

    Journal of Combinatorial Optimization

    Issue:44 (2)

    2022

    Pages: 1-23

  • The pairwise flowtime network construction problem

    I.Averbakh

    Operations Research Letters

    Issue:49 (6)

    2021

    Pages: 902-907

  • Location problems with continuous demand and unreliable facilities: Applications of families of Voronoi diagrams

    I.Averbakh, O.Berman, J.Kalcsics, and D.Krass

    Discrete Applied Mathematics

    Issue:300

    2021

    Pages: 36-55

  • Tree optimization based heuristics and metaheuristics in network construction problems

    I.Averbakh and J.Pereira

    Computers and Operations Research

    Issue:128 - 105190

    2021

    Pages: 1-15

  • Multi-depot traveling salesmen location problems on networks with special structure

    I.Averbakh and W.Yu

    Annals of Operations Research

    Issue:286 (1)

    2020

    Pages: 635-648

  • Lateness minimization in pairwise connectivity restoration problems

    I.Averbakh and J.Pereira

    INFORMS Journal on Computing

    Issue:30 (3)

    2018

    Pages: 522-538

  • Improved complexity results for the robust mean absolute deviation problem on networks with linear vertex weights

    I.Averbakh, O.Berman and M.Leal

    Discrete Applied Mathematics

    Issue:239

    2018

    Pages: 193-199

  • Minimizing the makespan in multi-server network restoration problems

    I.Averbakh

    Networks

    Issue:70 (1)

    2017

    Pages: 60-68

  • Structural properties of Voronoi diagrams in facility location problems with continuous demand

    I.Averbakh, O.Berman, J.Kalcsics, and D.Krass

    Operations Research

    Issue:63 (2)

    2015

    Pages: 394-411

  • Network construction problems with due dates

    I.Averbakh and J.Pereira

    European Journal of Operational Research

    Issue:244

    2015

    Pages: 715-729

  • Cooperative covering problems on networks

    I.Averbakh, O.Berman, J.Kalcsics, and S.Nickel

    Networks

    Issue:63 (4)

    2014

    Pages: 334-349

  • The robust (minmax regret) quadratic assignment problem with interval flows

    M.Feizollahi and I.Averbakh

    INFORMS Journal on Computing

    Issue:26 (2)

    2014

    Pages: 321-335

  • Minisum multipurpose trip location problem on trees

    M.Araghi, I.Averbakh, and O.Berman

    Networks

    Issue:63 (2)

    2014

    Pages: 154-159

  • Approximation algorithm for the on-line multi-customer two-level supply chain scheduling problem

    I.Averbakh and M.Baysan

    Operations Research Letters

    Issue:41 (6)

    2013

    Pages: 710-714

  • The robust set-covering problem with interval data

    J.Pereira and I.Averbakh

    Annals of Operations Research

    Issue:207

    2013

    Pages: 217-235

  • Batching and delivery in semi-online distribution systems

    I.Averbakh and M.Baysan

    Discrete Applied Mathematics

    Issue:161 (1-2)

    2013

    Pages: 28-42

  • Emergency path restoration problems

    I.Averbakh

    Discrete Optimization

    Issue:Volume 9

    2012

    Pages: 58-64

  • Semi-online two-level supply chain scheduling problems

    I.Averbakh and M.Baysan

    Journal of Scheduling

    Issue:Volume 15

    2012

    Pages: 381-390

  • The flowtime network construction problem

    I.Averbakh and J.Pereira;

    IIE Transactions

    Issue:44 (8)

    2012

    Pages: 681-694

  • Robust univariate spline models for interpolating interval data

    I.Averbakh and Y.Zhao

    Operations Research Letters

    Issue:Volume 39 (1)

    2011

    Pages: 62-66

  • Minmax regret bottleneck problems with solution-induced interval uncertainty structure

    I.Averbakh

    Discrete Optimization

    Issue:Volume 7 (3)

    2010

    Pages: 181-190

  • Nash equilibria in competitive project scheduling

    I.Averbakh

    European Journal of Operational Research

    Issue:Volume 205 (3)

    2010

    Pages: 552-556

  • On-line integrated production-distribution scheduling problems with capacitated deliveries

    I.Averbakh

    European Journal of Operational Research

    Issue:Volume 200 (2)

    2010

    Pages: 377-384

  • Explicit reformulations for robust optimization problems with general uncertainty sets

    I.Averbakh and Y.Zhao

    SIAM Journal on Optimization

    Issue:Volume18 (4)

    2008

    Pages: 1436-1466

  • On-line supply chain scheduling problems with preemption

    I.Averbakh and Z.Xue

    European Journal of Operational Research

    Issue:181

    2007

    Pages: 500-504

  • The uncapacitated facility location problem with demand-dependent setup costs and customer-choice allocation

    I.Averbakh, O.Berman, Z.Drezner, and G.Wesolowsky

    European Journal of Operational Research

    Issue:179

    2007

    Pages: 956-967

  • Complexity of minimizing the total flow time with interval data and minmax regret criterion

    V.Lebedev, I.Averbakh

    Discrete Applied Mathematics

    Issue:154

    2006

    Pages: 2167-2177

  • The competitive salesman problem on a network: a worst-case approach

    I.Averbakh and V.Lebedev

    Operations Research Letters

    Issue:34 (2)

    2006

    Pages: 165-174

  • The minmax regret permutation flow-shop problem with two jobs

    I.Averbakh

    European Journal of Operational Research

    Issue:169 (3)

    2006

    Pages: 761-766

  • The routing open-shop problem on a network: complexity and approximation

    I.Averbakh, O.Berman, I.Chernykh

    European Journal of Operational Research

    Issue:173 (2)

    2006

    Pages: 531-539

  • A 6/5-approximation algorithm for the two-machine routing open-shop problem on a 2-node network

    I.Averbakh, O.Berman, I.Chernykh

    European Journal of Operational Research

    Issue:166 (1)

    2005

    Pages: 3-24

  • Computing and minimizing the relative regret in combinatorial optimization with interval data

    I.Averbakh

    Discrete Optimization

    Issue:2 (4)

    2005

    Pages: 273-287

  • Facility location problems with uncertainty on the plane

    I.Averbakh, S.Bereg

    Discrete Optimization

    Issue:2 (1)

    2005

    Pages: 3-34

  • On the complexity of minmax regret linear programming

    I.Averbakh, V.Lebedev

    European Journal of Operational Research

    Issue:160(1)

    2005

    Pages: 227-231

  • Project scheduling under competition

    I.Averbakh and V.Lebedev

    Naval Research Logistics

    Issue:52 (6)

    2005

    Pages: 481-492

  • The minmax relative regret median problem on networks

    I.Averbakh

    INFORMS Journal on Computing

    Issue:17 (4)

    2005

    Pages: 451-461

  • The m-machine flow-shop with unit-time operations and intree precedence constraints

    I.Averbakh, O.Berman, I.Chernykh

    Operations Research Letters

    Issue:33 (3)

    2005

    Pages: 263-266

  • Interval data minmax regret network optimization problems

    I.Averbakh, V.Lebedev

    Discrete Applied Mathematics

    Issue:138(3)

    2004

    Pages: 289-301

  • Minmax regret linear resource allocation problems

    I.Averbakh

    Operations Research Letters

    Issue:32

    2004

    Pages: 174-180

  • An improved algorithm for the minmax regret median problem on a tree

    I.Averbakh and O.Berman

    Networks

    Issue:41 (2)

    2003

    Pages: 97-103

  • Complexity of robust single-facility location problems on networks with uncertain lengths of edges

    I.Averbakh

    Discrete Applied Mathematics

    Issue:127

    2003

    Pages: 505-522

  • Minmax p-traveling salesmen location problems on a tree

    I.Averbakh and O.Berman

    Annals of Operations Research

    Issue:110

    2002

    Pages: 55-68

  • Parallel NC-algorithms for multifacility location problems with mutual communication and their applications

    I.Averbakh and O.Berman

    Networks

    Issue:40

    2002

    Pages: 1-12

  • On the complexity of a class of combinatorial optimization problems with uncertainty

    I.Averbakh

    Mathematical Programming

    Issue:90

    2001

    Pages: 263-272

  • Algorithms for the robust 1-center problem on a tree

    I.Averbakh and O.Berman

    European Journal of Operational Research

    Issue:123

    2000

    Pages: 292-302

  • Minmax regret median location on a network under uncertainty

    I.Averbakh and O.Berman

    INFORMS Journal on Computing

    Issue:12 (2)

    2000

    Pages: 104-110

  • Minmax regret solutions for minimax optimization problems with uncertainty

    I.Averbakh

    Operations Research Letters

    Issue:27

    2000

    Pages: 57-65

  • Parallel complexity of additive location problems

    I.Averbakh and O.Berman

    INFORMS Journal on Computing

    Issue:123

    2000

    Pages: 292-298

  • A simple heuristic for m-machine flow-shop and its applications in routing-scheduling problems

    I.Averbakh and O.Berman

    Operations Research

    Issue:47 (1)

    1999

    Pages: 165-170

Research and Teaching Interests

Research Interests: Discrete Optimization, Optimization under Uncertainty, Facilities Location, Network Optimization, Logistics, Routing, Scheduling.

Teaching : Management Science / Operations Research, Optimization, Network Models, Statistics