# Editors

**Editor-in-Chief:**

*Tamás Terlaky *

Department of Industrial and Systems Engineering

Lehigh University

200 West Packer Avenue, Bethlehem, PA 18015, USA

tat208@lehigh.edu

**Past Editors-in-Chief:**

**Angelo Miele (founding editor, 1967-2009), ***Aero-Astronautics Group, Rice University, USA*

**Franco Giannessi (2010-2020),** *Department of Mathematics, University of Pisa, Italy*

**David G. Hull (2010-2018), ***Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, USA*

**Bruce A. Conway (2019-2020)**,

*Department of Aerospace Engineering, University of Illinois at Urbana, USA*

**Area Editors:**

*Miguel F. Anjos, The University of Edinburgh, Scotland, UK, miguel.f.anjos@ed.ac.uk*Applications of Optimization

**,**

*Xiaojun Chen*

**The Hong Kong Polytechnic University, China, xiaojun.chen@polyu.edu.hk**Stochastic Equilibrium Problems, Nonsmooth, nonconvex optimization

**Gabriele Eichfelder, Technische Universität Ilmenau, Germany, gabriele.eichfelder@tu-ilmenau.de**Multi-objective and vector optimization, global optimization

**Jason Hicken, Rensselaer Polytechnic Institute, USA, hickej2@rpi.edu**Aerodynamic shape optimization, multidisciplinary design optimization, PDE-constrained optimization, computational fluid dynamics

**Martine Labbé, Université Libre de Bruxelles, Belgium, mlabbe@ulb.ac.be**Discrete and mixed-integer optimization

*Boris S. Mordukhovich, Wayne State University, USA, boris@math.wayne.edu*Variational analysis, nonsmooth optimization, optimal control, economic applications

**Claudia Alejandra Sagastizábal, IMECC-Unicamp, Brazil, sagastiz@unicamp.br**Nonsmooth optimization, stochastic programming, and variational analysis

**Associate Editors:**

*Suliman Saleh Al-Homidan, King Fahd University of Petroleum and Minerals, Saudi Arabia, homidan@kfupm.edu.sa*Complementary problems, variational inequalities

**Grégoire Allaire, École Polytechnique, France, gregoire.allaire@polytechnique.fr**Optimization of PDE systems, shape and topology optimization, homogenization, calculus of variations

*Quamrul Hasan Ansari, Aligarh University, India, qhansari@gmail.com*Nonlinear optimization, multiobjective optimization, equilibrium problems

*Aram V. Arutyunov, Peoples' Friendship University of Russia, arutun@orc.ru*Second order necessary and sufficient conditions, abnormal problems, abnormal points

*Anil Aswani, University of California at Berkeley, USA,*

*aaswani@berkeley.edu*Statistics, machine learning, control systems, bilevel optimization, set-valued analysis

*Hédy Attouch, University of Montpellier II, France,*

*attouch@math.univ-montp2.fr*Variational analysis, convex analysis, monotone operators, algorithms and dynamical systems, proximal algorithms, decomposition methods, inertial methods, semi-algebraic and tame optimization, applications to PDEs, signal, image, unilateral mechanics

*Paul I. Barton, Massachusetts Institute of Technology, USA, pib@mit.edu*Deterministic global optimization methods, dynamic optimization, numerical optimal control

**Heinz Bauschke, UBC Kelowna, Canada, bauschke@mail.ubc.ca**Convex Analysis and Optimization, Monotone Operator Theory, Projection Methods, and Applications.

*Amir Beck, Technion, Israel Institute of Technology, becka@ie.technion.ac.il*First order algorithms (gradients-based/proximal), iteration complexity in convex minimization, nonconvex quadratic optimization, SDP relaxation methods, applications in signal/image sciences

**Hande Y. Benson, Drexel University, USA, hvb22@drexel.edu**Nonlinear optimization, mixed integer quadratic programs, dynamic optimization, applications of optimization

**Wei Bian, Harbin Institute of Technology, P.R. China, bianweilvse520@163.com**Nonsmooth nonconvex optimization, sparse optimization, complexity analysis, accelerated algorithm, dynamic method for optimization

*Lorenz T. Biegler, Carnegie Mellon University, USA, lb01@andrew.cmu.edu*

*Marc Bonnet, École Nationale Supérieure de Techniques Avancées ENSTA, France, marc.bonnet@ensta.fr*Topological, shape and parameter sensitivity, inverse problems

**Bruno Bouchard, Université Paris-Dauphine,France, bouchard@ceremade.dauphine.fr****Stochastic control, backward SDEs, financial mathematics**

*Radu Ioan Boţ, University of Vienna, Austria, radu.bot@univie.ac.at*Convex analysis, duality theory, monotone operators, nondifferentiable optimization, vector optimization

*Regina S. Burachik, University of South Australia, Mawson Lakes Campus, Adelaide, Australia,*

*Regina.Burachik@unisa.edu.au*Optimization, convex analysis, nonsmooth analysis, set-valued analysis, variational inequalities, proximal-like methods

*Vincenzo Capasso, University of Milan, Italy*

*vincenzo.capasso@unimi.it*Optimization Methods, optimal Control and Variational Analysis in the fields: Reaction-diffusion systems, Optimal control , Regional control, Epidemics, Population dynamics, Geographical economics, Environmental pollution, Tumour growth, Material science, Shape analysis

*Dean A. Carlson, American Mathematical Society, USA, dac@ams.org*Calculus of variations, optimal control theory, differential games

**Diego Cattaruzza, University of Lille, CNRS, Inria, Centrale Lille, France, diego.cattaruzza@centralelille.fr**Logistics; vehicle routing; city logistics; warehouse management

*Benoît Chachuat, Imperial College London, UK, b.chachuat@imperial.ac.uk*Complete search methods for global optimization, numerical methods of dynamic optimization and optimal control, applications in chemical and biological bioprocesses, applications to energy systems

*Guang-ya Chen, Chinese Academy of Sciences, chengy@amss.ac.cn*Vector optimization, vector variational inequality

*Felix L. Chernousko, Russian Academy of Sciences, chern@ipmnet.ru*Optimal control, methods of control for nonlinear dynamical systems, set-membership methods of control and estimation for uncertain systems, control and optimization of robotic systems

*Bruce A. Conway, University of Illinois, USA, bconway@illinois.edu*Numerical methods for optimal control, differential games, spacecraft and aircraft flight applications

*Martin Corless, Purdue University, USA, corless@ecn.purdue.edu*Deterministic uncertain systems, robust control, stability

*Jean-Pierre Crouzeix, Blaise Pascal University, France, jp.crouzeix@isima.fr*Convex analysis, theory and algorithms, generalized convexity and monotonicity, variational inequalities and equilibrium problems, consumer theory

**Ana Luisa Custodio, Universidade Nova de Lisboa, Portugal, algb@fct.unl.pt**Nonlinear optimization, derivative-free optimization, multiobjective optimization, global optimization, direct search methods

*Aris Daniilidis, University of Chile, arisd@dim.uchile.cl*Variational (nonsmooth) analysis, semialgebraic optimization, gradient dynamical systems, convex analysis

**Antoine Deza, McMaster University, Hamilton, ON, Canada, deza@mcmaster.ca**Combinatorial and Continuous Optimization, Discrete and Computational Geometry, Enumeration Algorithms

**Moritz M. Diehl, University of Freiburg, Germany,**

**moritz.diehl@imtek.uni-freiburg.de**Optimal control, numerical optimal control, direct methods for optimal control, model predictive control, nonlinear model predictive control, numerical optimization, embedded optimization, nonlinear

**Sébastien Le Digabel, GERAD and Polytechnique Montreal, Canada, sebastien.le-digabel@polymtl.ca**Derivative-free optimization, blackbox optimization, optimization solvers, benchmarking/comparison of algorithms, tuning of hyperparameters, the pooling problem

*Alberto d'Onofrio, International Prevention Research Institute, Italy, alberto.donofrio@i-pri.org*Mathematical medicine and biology, systems biology

*Charles Dossal, Institut National des Sciences Appliquées, France,dossal@insa-toulouse.fr*Convex optimization; inverse problems, image recovering

*Geir Dullerud, University of Illinois at Urbana, USA, dullerud@illinois.edu*Control and Game Theory, Optimization, Hybrid Systems

**Matthias Ehrgott, Lancaster University, UK, m.ehrgott@lancaster.ac.uk**Multiobjective optimization, applications in medicine, transportation, and logistics

**Leah Epstein, University of Haifa, Israel, lea@math.haifa.ac.il**Online and Offline problems, approximation algorithms and polynomial time algorithms, Scheduling, Load Balancing, Bin Packing Type Problems, and Graph problems.

**Octavian Ernst, University Aix-Marseille, France, emil.ernst@univ-amu.fr**

*Jalil M. Fadili, ENSICAEN-Normandie University, France,*

*jalal.fadili@ensicaen.fr*Nonsmooth optimization, operator splitting algorithms, applications in signal/image processing

**Olivier Fercoq, Télécom Paris, France, olivier.fercoq@telecom-paris.fr**coordinate descent, primal-dual algorithms, large scale problems, convex analysis, convergence speed, error bound, smoothing, variable screening, stochastic algorithms, operator splitting

*Fabián Flores-Bazán, University of Concepción, Chile, fflores@ing-mat.udec.cl*Vector optimization, complementarity problems, nonconvex optimization, theorems of the alternative, optimality conditions

*Hélène Frankowska, Université Pierre et Marie Curie, France, helene.frankowska@imj-prg.fr*Nonlinear control theory, differential inclusions, set-valued analysis, viability theory, Hamilton-Jacobi equations

**Bernard Fortz, Université libre de Bruxelles, Belgium, bernard.fortz@ulb.be**Mathematical optimization, combinatorial in optimization, transportation, traffic, location, network, telecommunication, production planning, logistics.

**Emanuele Galligani, University of Modena and Reggio Emilia, Italy, emanuele.galligani@unimore.it**

Analysis of numerical methods, error analysis, finite difference methods, numerical optimization, parallel numerical algorithms, mathematics of engineering

*Aviv Gibali,** ORT Braude College, Israel, avivg@braude.ac.il*

feasibility problems, projection methods, convex optimization, variational inequalities,systems of linear/nonlinear equation/inequalities, applications such as: radiation therapy treatment planning, image processing

*Fausto Gozzi, LUISS, Italy, fgozzi@luiss.it*

Deterministic optimal control, stochastic optimal control , state constraints in optimal control, dynamic programming, HJB equations, optimality conditions, optimal control problems with infinite dimensional state space, applications to economics, finance and insurance, path dependent equations and their control, differential games, mean field games, optimal control with McKean-Vlasov dynamics, optimal control in epidemiology

*Lars Grüne, University of Bayreuth, Germany, lars.gruene@uni-bayreuth.de*

Model predictive control, dynamic programming, Hamilton-Jacobi equations

*Nicolas Hadjisavvas, University of Aegean, Greece, nhad@aegean.gr*

Optimality conditions, calculus of variations, equilibruim problems

**Zaid Harchaoui, University of Washington**

*René Henrion, Weierstrass Institute for Applied Analysis and Stochastics, Germany, henrion@wias- berlin.de*

Stochastic optimization: theory, applications and numerics; theoretical nonsmooth optimization: generalized differential calculus, Lipschitz stability of multifunctions

*Roland Herzog, Technical University of Chemnitz, Germany, **roland.herzog@mathematik-tu-chemnitz.de*

Numerical optimization

*Jason Hicken, Rensselaer Polytechnic Institute, USA, hickej2@rpi.edu*

Simulation-based design, optimization, shape optimization

*Michael Hinze, University of Hamburg, Germany, michael.hinze@uni-hamburg.de*

PDE constrained optimization (algorithms, discrete concepts), flow control, control of multiphysics systems

*Mimmo Iannelli, University of Trento, Italy, mimmo.iannelli@unitn.it*

Evolution equations, biological modelling, population biology

**Tibor Illés, Corvinus University of Budapest, Hungary, tibor.illes@uni-corvinus.hu**

Convex optimization, linear complementarity problems, structured nonlinear programming, duality, algorithms, and applications

*Alfredo Noel Iusem, IMPA, Brazil, iusp@impa.br*

Convex optimization, convex analysis, nonsmooth optimization

*Alexey Feridovich Izmailov, Lomonosov Moscow State University, Russian Federation **izmaf@ccas.ru*

Numerical methods in optimization theory (complementary problems, Newton-type methods)

*Dario Izzo, European Space Agency, The Netherlands, Dario.Izzo@esa.int*

Mathematical methods in aerospace engineering

*Vaithilingam Jeyakumar, University of New South Wales, Australia, v.jeyakumar@unsw.edu.au*

Convex optimization, duality theory and its applications, theorems of the alternative

*Akhtar A. Khan, Rochester Institute of Technology, USA, aaksma@rit.edu*Nonsmooth optimization, numerical optimization, vector and set-valued optimization, variational and quasi-variational inequalities, regularization methods, elasticity imaging, inverse problems, parameter identification, biomathematics

*Igor Konnov, Kazan University, Russia, igor.konnov@ksu.ru*Nonlinear optimization, variational inequalities, equilibrium problems

*Alexandru Kristály,*

*Universitatea Babes-Bolyai, Cluj-Napoca, Romania,*

*alexandrukristaly@yahoo.com*Calculus of variations, equilibrium problems, optimization on Riemannian and Finsler manifolds, variational inequalities

*Pierre Ladevèze, École Normale Supérieure de Cachan, France,*

*ladeveze@lmt.ens-cachan.fr*Reduced models, verification, composite optimization

*Irena Lasiecka, University of Memphis, USA, lasiecka@memphis.edu*Control theory and optimization of PDE systems, long time behavior and stabilization of nonlinear infinite dimensional dynamics, control and optimization of coupled PDE's with an interface, calculus of variations

*Urszula Ledzewicz, Southern Illinois University, USA,*

*ledzew@siue.edu*optimal control theory, singular and bang-bang controls, applications to biomedicine, mathematical modelling of cancer treatments, optimization of cancer therapies

*Guoyin Li, University of New South Wales, Australia,*

*g.li@unsw.edu.au*Optimization under uncertainty, numerical optimization, semidefinite programming, nonsmooth analysis and variational analysis, convex and functional analysis, global optimization

*Marco Antonio López Cerdá, Alicante University, Spain,*

*marco.antonio@ua.es*Convex analysis, convex optimization, semi-infinite programming, stability in optimization

*Russell Luke, Georg-August-Universität Göttingen, Germany*

*Paolo Maria Mariano, University of Florence, Italy,*

*paolo.mariano@unifi.it*Optimization and Variational Analysis in the following fields: Mechanics of complex materials, Non-equilibrium thermodynamics, Microstructures, Convex analysis in plasticity, Fracture and damage mechanics, Phase transitions, and related phase-field theories

*Juan Enrique Martinez Legaz, Barcelona Autonomous Univeristy, Spain, JuanEnrique.Martinez.Legaz@uab.cat*Convex analysis, abstract convexity, monotone operator theory and mathematical economics

*Antonino Maugeri, University of Catania, Italy, maugeri@dmi.unict.it*Variational inequalities, calculus of variations, scalar and set-valued optimization

*Negash G. Medhin, North Carolina State University, USA, ngmedhin@math.ncsu.edu*Deterministic and stochastic control, differential games, continuous/discrete optimization

*Alexander Mitsos, RWTH Aachen, Germany,*

*alexander.mitsos@avt.rwth-aachen.de*Global optimization, bilevel programs, semi-infinite programs, process optimization, parametric optimization

*Zenon Mróz, Polish Academy of Sciences, zmroz@ippt.gov.pl*Shape optimization, topology optimization, sensitivity analysis, inverse problems, thermomechanical design

**Giacomo Nannicini, IBM Quantum, Thomas J. Watson Research Center, USA,**

**nannicini@us.ibm.com**Discrete optimization, quantum algorithms, software and computation

**Angelia Nedich, Arizona State University, USA,****a**ngelia.nedich@asu.eduConvex optimization, continuous optimization, distributed optimization, duality theory, variational inequalities

*Sándor Z. Németh, The University of Birmingham, UK, nemeths@maths.bham.ac.uk*Convex optimization, fixed point theorems, equilibrium problems, metric projections, nonlinear programming, optimization on Riemannian manifolds, ordered vector spaces, heuristic optimization

*Yurii Nesterov, Catholic University of Louvain, Belgium, yurii.nesterov@uclouvain.be*

Convex optimization, online optimization, huge-scale optimization, structural optimization, complexity bounds, fast gradient methods, interior-point methods, coordinate-descent methods, second-order methods, smoothing techniques

**Lam Nguyen, IBM Research, Thomas J. Watson Research Center, Yorktown Heights, NY, USA, lamnguyen.mltd@gmail.com**

Optimization for Machine Learning: Stochastic Gradient Algorithms, Non-convex Optimization, Stochastic Optimization, Convex Optimization

**Andrew Ning, Brigham Young University, USA, aning@byu.edu**

Gradient-based optimization, derivatives, multidisciplinary optimization, nonlinear optimization, aircraft design optimization, wind energy optimization

*Evgeni A. Nurminski, Far Eastern Federal University, Vladivostok, Russia**nurmi@dvo.ru*

Convex analysis and optimization, stochastic optimization, large-scale linear optimization, equilibrium and fixed point computation, applications in transportaion, routing

*Nikolai Osmolovski, University of Technology and Humanities in Radom, Poland, osmolovski@uph.edu.pl*

Calculus of variations, optimal control, Pontryagin's maximum principle, extremal, weak minimum, strong minimum, second order optimality conditions, quadratic form, critical cone, Jacobi condition, Riccati equation, bang-bang control, state constraint, mixed constraint

*Panos M. Pardalos, University of Florida, USA, pardalos@ufl.edu*

Nonconvex and discrete optimization, biomedical applications, data mining and data analysis, energy systems

*Juan Parra, Miguel Hernández University of Elche, Spain, parra@umh.es*

Parametric optimization, semi-infinite programming, and convex optimization

**Edouard Pauwels, Institut de Recherche en Informatique de Toulouse, France, edouard.pauwels@irit.fr**

Nonsmooth optimization, first order methods, semialgebraic / tame optimization, stochastic algorithms,

optimization for machine learning

*Gabriel Peyré, CNRS and Ecole Normale Supérieure, Paris, France, **gabriel.peyre@ens.fr*

Imaging sciences, Computer vision, Computer graphics,

Image processing, Machine learning, Optimal transport, Inverse problems,

Sparsity, Low rank, Compressed sensing, First order methods, Proximal methods, Deep learning

**Hoang Xuan Phu, Vietnam Academy of Science and Technology, Vietnam, hxphu@math.ac.vn**

Optimal control, nonsmooth analysis, generalized convexity

*Mauro Pontani, University of Rome "La Sapienza," Italy, Mauro.pontani@uniroma1.it*

Deterministic and stochastic optimization methods, differential games

*Dylan Possamai, Columbia University, USA, **dp2917@columbia.edu*

Stochastic control, mathematical finance, insurance, backward SDEs, second-order backward SDEs, path-dependent PDEs, numerical methods for PDEs, contract theory, moral hazard, adverse selection.

*Florian Potra, University of Maryland, USA, potra@math.umbc.edu*

Interior-point, complementarity problems, super-linear convergence, Newton's method

*Yannick Privat** , **Université de Strasbourg, France, **yannick.privat@unistra.fr*

Shape optimization, calculus of variations ,optimal control,PDEs,convex analysis, biomathematics,fluid mechanics, controllability, observability, numerics

*Liqun Qi, The Hong Kong Polytechnic University, Hong Kong SAR, China maqilq@inet.polyu.edu.hk*

Lagrange multipliers, tensor analysis in optimization, Karush-Kuhn-Tucker conditions

**Arvind Raghunathan, Mitsubishi Electric Research Laboratories, USA, raghunathan@merl.com**

Nonlinear optimization, mixed integer quadratic programs, dynamic optimization, applications of optimization

*Jörg Rambau, University of Bayreuth Germany, Joerg.Rambau@uni-bayreuth.de*

(Integer) linear programming, polyhedral theory, stochastic (integer) linear programming, Markov decision problems and dynamic programming, online optimization and competitive analysis, discrete-time supply chain management and inventory control, sports, discrete-time dynamics and control of finite influence systems (like opinions), transport logistics, telecommunications

*Anil Rao, University of Florida, USA, anilvrao@ufl.edu*

Optimal control, nonlinear optimization

*Julian P. Revalski, Bulgarian Academy of Sciences, revalski@math.bas.bg*

Variational principles in optimization; stability and well-posedness in optimization and variational problems, convex analysis

**Bernard Ries, University of Fribourg, Fribourg, Switzerland, bernard.ries@unifr.ch**

Structural graph theory, computational complexity, combinatorial optimization, graph classes, graph algorithms, graph coloring

**Vera Roschina, ****UNSW Sydney, ****Australia, ****vera.roshchina@gmail.com **

Convex geometry, conic programming, semidefinite optimization, hyperbolicity cones, projection methods, nonsmooth analysis, generalized differentiation, subdifferential calculus, exhausters, quasi differentials, delta-convex functions, real complexity, condition numbers, computational algebraic geometry, geometry of polytopes, mathematical billiards.

*Johannes O. Royset, Naval Postgraduate School, USA, joroyset@nps.edu*

Stochastic optimization, semi-infinite programming, minimax problems, engineering applications, military operations research

*Ryan P. Russell, University of Texas at Austin, USA, ryan.russell@utexas.edu*

Astrodynamics, low-thrust spacecraft trajectory optimization and mission design

**Shoham Sabach, Technion Israel Institute of Technology, Israel, ssabach@ie.technion.ac.il**

Continuous optimization, convex optimization, rate of convergence, global convergence, non-convex optimization, Bregman distance, proximal methods, Lagrangian methods, splitting methods, bi-level optimization

*Ebrahim Sarabi, Miami University, USA, sarabim@miamioh.edu*

Variational analysis, subdifferential calculus, second-order generalized differentiation, parametric, optimization, Newtonian methods, augmented Lagrangians, second-order optimality conditions, semi smoothness, amenable compositions, parabolic regularity, critical and noncritical multipliers

*Klaus Reiner Schenk-Hoppé, University of Manchester, UK, klaus.schenk-hoppe@manchester.ac.uk*

Financial economics, computational economics, dynamic economic theory, random dynamical systems theory

**Clément W. Royer, Université Paris Dauphine-PSL, Paris, France, clement.royer@lamsade.dauphine.fr**Numerical optimization, complex systems and data science, nonconvex optimization algorithms with randomness and complexity, derivative-free optimization, simulation-based problems.

**Martin Schmidt, Trier University, Germany, martin.schmidt@uni-trier.de**Bilevel optimization, Mixed-integer (non)linear optimization, Market equilibrium problems (Generalized), Nash equilibrium problems, Energy markets, Energy networks

*Anita Schöbel, Georg August University Göttingen, Germany, schoebel@math.uni-goettingen.de*Discrete optimization including integer programming and applications; robust optimization; mathematical methods of traffic planning; location theory

**Paulo José da Silva e Silva, University of Campinas, Brazil, pjssilva@ime.unicamp.br**Nonlinear optimization, optimality conditions, convex optimization, convex analysis, applications to machine learning, and data science

*Mihai Sirbu, The University of Texas at Austin, USA,sirbu@math.utexas.edu*Stochastic control, stochastic games, dynamic programming, viscosity solutions, financial mathematics

*Jan Sokołowski, Université de Lorraine, France,*

*jan.sokolowski@univ-lorraine.fr*Shape optimization in solid and fluid mechanics, topology optimization, shape gradient, shape Hessian, topological derivative, material growth, optimum design, numerical methods of structural optimization, modeling and optimization in solid mechanics, compressible Navier-Stokes equations, contact problems in elasticity, optimal control for elliptic problems, level set method in shape optimization

*Jason L. Speyer, University of California at Los Angeles, USA, speyer@seas.ucla.edu*Stochastic and deterministic optimal control and estimation with application to aerospace systems; guidance, flight control, and flight mechanics

*Gabriele Steidl,*

*Institut für Mathematik TU Berlin, Germany,***Convex analysis, mixture models, optimization on manifolds, splitting methods, image processing, signal processing, deep learning Fourier methods, inverse problems, motion models**

*steidl@math.tu-berlin.de*

**Sebastian Stich, Machine Learning and Optimization Laboratory, EPFL, Switzerland, sebastian.stich@epfl.ch**Optimization for machine learning

*Alexander Strekalovsky, The Siberian Branch of Russian Academy of Sciences, Russia, strekal@icc.ru*Nonconvex optimization, nonconvex optimal control, local search, global optimality conditions, global search theory

*Marcin Studniarski, University of Lódz, Poland, marstud@math.uni.lodz.pl*Nonsmooth analysis, higher-order optimality conditions in mathematical programming

**Defeng Sun, The Hong Kong Polytechnic University, Hong Kong, defeng.sun@polyu.edu.hk**Continuous optimization, statistical optimization, variational analysis, machine learning, optimization software

*Ehsan Taheri, Auburn University, USA, etaheri@auburn.edu*Orbital mechanics, trajectory optimization, heuristic & evolutionary algorithms

**Martin Takáč**

**, Lehigh University Bethlehem, USA, mat614@lehigh.edu**Big data analytics, multi-threaded applications, analysis of algorithms and complexity, grid computing/large scale computation, mathematical optimization and modeling, signal processing algorithms, robust/stochastic optimization, artificial intelligence,

image processing, graphics, and data fusion, machine learning, pattern recognition

*Xiaolu Tan, The Chinese University of Hong Kong, China, xiaolu.tan@gmail.com*Stochastic optimal control, optimal stopping, optimal control under constraints, dynamic programming, numerical methods for control problems, numerical methods for nonlinear PDEs, numerical simulation of SDEs, martingale optimal transport, mathematical finance, robust finance

*Christiane Tammer, Martin-Luther-University Halle-Wittenberg, Germany, christiane.tammer@mathematik.uni-halle.de*Minimal point theorems and variational principles, variational inequalities, vector optimization, regularization methods, inverse problems, Lagrange multiplier rules, duality theory, approximation theory, locational analysis, robustness

**Josh Taylor, University of Toronto,Canada, josh.taylor@utoronto.ca**Electric power systems, water infrastructure, control, applied convex optimization

*Marc Teboulle, Tel-Aviv University, Israel, teboulle@post.tau.ac.il*Convex optimization, quadratic nonconvex optimization, duality, nondifferentiable optimization algorithms, semi- definite programming

*Kok Lay Teo, Curtin University, Australia,*

*K.L.Teo@curtin.edu.au*Control theory, optimal control computation

*Michel Théra, University of Limoges, France, michel.thera@unilim.fr*Optimality conditions, variational analysis, multifunctional optimization, variational inequalities

*Lionel Thibault, University of Montpellier II, France, thibault@math.univ-montp2.fr*Nonsmooth analysis, set-valued analysis, convex analysis, differential inclusions

**Francesco Topputo, Politechnico Milano, Italy, francesco.topputo@polimi.it**Space trajectory optimization, autonomous navigation

*Nizar Touzi, École Polytechnique, France, nizar.touzi@polytechnique.edu*Stochastic control, backward SDEs and path-dependent PDEs, probabilistic numerics for control, financial mathematics

**Patrizia Trovalusci, University of Rome, Italy,**

**patrizia.trovalusci@uniromal.it**Optimization and Variational Analysis in the following fields: multiscale modelling/homogenization, continua with microstructure, composites, masonry materials and structures, computational methods in mechanics, limit analysis , finite element modeling, plasticity, damage, structural problems in architecture

*Firdaus E. Udwadia, University of Southern California, USA, fudwadia@usc.edu*Computational methods, control of nonlinear ordinary differential equations, applied mathematics, control theory

*Stefan Ulbrich, Technical University of Darmstadt, Germany, ulbrich@mathematik.tu-darmstadt.de*Nonlinear optimization, PDE-constrained optimization, optimal control, large scale optimization, multilevel methods

*Kyriakos G. Vamvoudakis, University of California, Santa Barbara, USA, kyriakos@ece.ucsb.edu*Optimal control, adaptive control, multi-agent optimization, game theory, Hamilton-Jacobi equations, reinforcement learning, approximate dynamic programming

*Paolo Vannucci, University of Versailles and Saint-Quentin-en-Yvelines, France, paolo.vannucci@uvsq.fr*Structural optimization, genetic algorithms, composite materials, anisotropic laws, shape optimization

*Boris Vexler, Technical University of Munich, Germany, vexler@ma.tum.de*Optimization and optimal control with PDEs (partial differential equations): theory, Numerics, finite element discretization, error estimates

**Margaret Wiecek, Clemson University, USA, wmalgor@clemson.edu**Multiobjective optimization and decision making, parametric optimization, applications in engineering design and portfolio optimization

*Nobuo Yamashita, Kyoto University, Japan, nobuo@i.kyoto-u.ac.jp*The unconstrained minimization, the least-squares problem, complementarity problems, Newton-type methods, the Levenberg-Marquardt method

*Xiaoqi Yang, The Hong Kong Polytechnic University, Hong Kong SAR, China, mayangxq@polyu.edu.hk*Nonlinear optimization, variational analysis and vector optimization

*Xinmin Yang, Chongqing Normal University, People's Republic of China,*

*xmyang@cqnu.edu.cn*Vector optimization, vector variational inequality, theorems of the alternative, optimality conditions, dualit y theory, convex analysis

*Jen-Chih Yao, Kaohsiung Medical University, Taiwan, yaojc@kmu.edu.tw*Convex analysis, optimal control, variational inequalities, and vector optimization

*Nguyen Dong Yen, Institute of Mathematics, VAST, Vietnam, ndyen@math.ac.vn*Optimization theory, nonsmooth analysis

*Alper Yildirim,*

*University of Edinburgh,UK, E.A.Yildirim@ed.ac.uk*Convex and conic optimization, algorithms, convex relaxations of nonconvex optimization problems

*Jafar Zafarani, University of Isfahan, Iran, jzaf@sci.ui.ac.ir*Vector optimization, variational inequalities

*Qianchuan Zhao, Tsinghua University, China, zhaoqc@tsinghua.edu.cn*Discrete event systems, simulation based optimization, ordinal optimization

*Sergey Evgenevich Zhukovskiy , V. A. Trapeznikov Institute of Control Sciences of Russian Academy of Sciences, Russia, S-E-Zhuk@yandex.ru*Metric regularity, covering mappings, coincidence point theorems, fixed point theorems, calculus of variations, variational principles of nonlinear analysis, necessary optimality conditions in mathematical programming, inverse function theorem, implicit function theorem, global homeomorphism theorem, quadratic mappings, selections of set-valued mappings.

*Francesco Zirilli, University of Rome La Sapienza, Italy, f.zirilli@caspur.it*Continuous optimization, global optimization, optimal control, optimization applied to science and engineering

*Enrique Zuazua, Basque Center for Applied Mathematics, Spain, zuazua@bcamath.org*Partial differential equations, control, stabilization, numerical analysis

**Luis Zuluaga, Lehigh University Bethlehem, USA, luis.zuluaga@lehigh.edu**Polynomial optimization, copositive optimization, conic optimization, distributionally robust optimization, financial optimization, quantum computing

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