# 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:**

,

*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

**Peter Richtárik, King Abdullah University of Science and Technology, Saudi Arabia, peter.richtarik@kaust.edu.sa**Optimization and Machine Learning

**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***Grégoire Allaire, École Polytechnique, France, gregoire.allaire@polytechnique.fr**

Optimization of PDE systems, shape and topology optimization, homogenization, calculus of variations

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

Complementary problems, variational inequalities

*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

*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

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

*Jérôme Bolte, Toulouse School of Economics, France, jerome.bolte@tse-fr.eu*

First-order methods, tame optimization, gradient systems, nonsmooth optimization

*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

*Giuseppe Buttazzo, University of Pisa, Italy, buttazzo@dm.unipi.it*

Calculus of variations, partial differential equations, optimal control, variational analysis, convex analysis, shape optimization, optimal design, asymptotic analysis, optimal transportation, location problems

*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

*Marco López Cerdá, Alicante University, Spain **marco.antonio@ua.es*

Convex analysis, convex optimization, semi-infinite programming, stability in optimization

*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

*Jyh-Horng Chou, National Kaohsiung University of Applied Sciences, Taiwan, choujh@kuas.edu.tw*

Artificial intelligence, information technology and system integration, system modeling and simulation, system dynamics and control

*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

*Aris Daniilidis, University of Chile, arisd@dim.uchile.cl*

Variational (nonsmooth) analysis, semialgebraic optimization, gradient dynamical systems, convex analysis

**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

*Gianni Di Pillo, University of Rome La Sapienza, Italy, dipillo@dis.uniroma1.it*

Nonlinear programming, penalty methods, augmented Lagrangian methods

*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

*Jalil M. Fadili, ENSICAEN-Normandie University, France, **jalal.fadili@ensicaen.fr*

Nonsmooth optimization, operator splitting algorithms, applications in signal/image processing

*Gustav Feichtinger, Vienna University of Technology, Austria, gustav@eos.tuwien.ac.at*

Modeling terror and counter-terror, violence, corruption models, illicit drug control, social interactions and resulting nonlinearities

*Fabián Flores-Bazán, University of Concepción, Chile, fflores@ing-mat.udec.cl*

Vector optimization, complementarity problems, nonconvex optimization, theorems of the alternative, optimality conditions

*Helene Frankowska, Universit**é Pierre et Marie Curie, France, helene.frankowska@imj-prg.fr*

Nonlinear control theory, differential inclusions, set-valued analysis, viability theory, Hamilton-Jacobi equations

*Masao Fukushima, Nanzan University, Japan, fuku@nanzan-u.ac.jp*

Nonlinear programming, variational inequalities, complementarity problem

*Ilio Galligani, University of Bologna, Italy, serra@dm.unibo.it*

Numerical aspects of optimization, especially for the quadratic case; algorithms for the solution of equations in finite dimensional spaces

*Roland Glowinski, University of Houston, USA, roland@math.uh.edu*

Calculus of variations, control of distributed parameter systems, variational inequalities, inverse problems, alternating direction methods of multipliers

*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

*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

*Johannes Jahn, University of Erlangen-Nuremberg, Germany, jahn@am.uni-erlangen.de*

Vector optimization, duality and its applications

*V. 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, 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

*George Leitmann, University of California, Berkeley, USA, gleit@berkeley.edu*

Sufficient conditions, robust control, deterministic uncertainty, equivalent problem approach, avoidance control

*Günter Leugering, University of Erlangen-Nuremberg, Germany, leugering@am.uni-erlangen.de*

Optimal control (preferable in the PDE context), optimization with PDE constraints, shape optimization

*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, U. Alicante, Spain
Russell Luke, Georg-August-Universität Göttingen, Germany*

*Giulio Maier, Technical University of Milan, Italy, giulio.maier@polimi.it*

Optimization problems and complementarity systems arising in elasto-plastic behaviour of structures

*Paolo Maria Mariano, University of Florence, **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

*Horst Martini, Technical University Chemnitz, Germany, horst.martini@mathematik.tu-chemnitz.de*

Combinatorial optimization, classical geometry, convex geometry

*Antonino Maugeri, University of Catania, Italy, maugeri@dmi.unict.it*

Variational inequalities, calculus of variations, scalar and set-valued optimization

*David Q. Mayne, Imperial College of Science and Technology, UK, d.mayne@imperial.ac.uk*

Nonlinear control, model predictive control, robust control

*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 University, 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

*Nguyen Mau Nam,Portland State University, USA, mau.nam.nguyen@pdx.edu*

Variational analysis; convex analysis; set-valued analysis; nonsmooth optimization; convex optimization; generalized differentiation; differences of convex functions; DC programming; nonlinear programming; location problem

*Zuhair Nashed, University of Central Florida, USA, zuhair.nashed@ucf.edu*

Optimization methods for inverse and ill-posed problems, Newton-like methods for singular or nonsmooth problems, differential calculus in infinite dimensional spaces, nonsmooth and semi-smooth analysis, cones of tangents, approximation methods for variational inequalities

*Sandor 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

*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

*Jamal Ouenniche, University of Edinburgh, jamal.ouenniche@ed.ac.uk*

Optimization, metaheuristics, routing and scheduling of vehicles, inventory management, production planning and scheduling, performance evaluation of competing units, data envelopment analysis

*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

*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

*Olivier Pironneau, Sorbonne Universités, UPMC Univ Paris 06, UMR 7598, Laboratoire Jacques-Louis Lions (LJLL), **olivier.pironneau@upmc.fr*

Calculus of variations, partial differential equations, optimal control, variational analysis, shape optimization, optimal design implementation methods

*Boris T. Polyak, Russian Academy of Sciences, boris@ipu.rssi.ru*

Linear control, robustness, convex, optimization, randomized methods

*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

*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

*Terry Rockafellar, University of Washington, USA, rtr@math.washington.edu*

Convex analysis, nondifferentiable optimization, variational analysis

**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-Hoppe’, University of Manchester, UK, klaus.schenk-hoppe@manchester.ac.uk*

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

*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

*Mihai Sirbu, The University of Texas at Austin, USA,sirbu@math.utexas.edu*

Stochastic control, stochastic games, dynamic programming, viscosity solutions, financial mathematic

*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, *** steidl@math.tu-berlin.de** Convex analysis, mixture models, optimization on manifolds, splitting methods, image processing, signal processing, deep learning Fourier methods, inverse problems, motion models

*Dušan M. Stipanovic, University of Illinois a Urbana-Champaign, USA, dusan@illinois.edu*

Differential games, Lyapunov stability of nonlinear systems, optimal control, collision avoidance

*Alexander Strekalovsky, The Siberian Branch of Russian Academy of Sciences, 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

*Ehsan Taheri, Auburn University, USA, etaheri@auburn.edu*

Orbital mechanics, trajectory optimization, heuristic & evolutionary algorithms

*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

*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

*V. M. Tikhomirov, Lomonosov Moscow State University, Russian Federation **vmtikh@googlemail.com*

Theory of optimization

*Kaoru Tone, National Graduate Institute for Policy Studies, Japan, tone@grips.ac.jp*

Data envelopment analysis, productive efficiency, production frontier estimation, production possibility set

**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

*Roberto Triggiani, University of Memphis, USA, rtrggani@memphis.edu*

Optimal control; min-max game theory; Riccati equations; control theoretic properties (controllability, stabilization) of PDEs and coupled PDEs problems, inverse problems for PDEs

**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

*Vladimir M. Veliov, Vienna University of Technology, Austria, veliov@tuwien.ac.at*

Theory and numerical methods for optimal control; ODEs, age-structured systems; economic dynamics; population dynamics; epidemiology

*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

*Gerhard J. Woeginger, RWTH Aachen, Germany, woeginger@cs.rwth-aachen.de*

Discrete optimization, complexity theory, approximation algorithms, networks and graphs, scheduling

*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

*Jafar Zafarani, University of Isfahan, Iran, jzaf@sci.ui.ac.ir*

Vector optimization, variational inequalities

*Constantin Zalinescu, Alexandru Ioan Cuza University, Romania, zalinesc@uaic.ro*

Convex analysis, nondifferentiable optimization

*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