Edit Profile (opens in new tab) Iusem, Alfredo Noel Co-Author Distance Author ID: iusem.alfredo-noel Published as: Iusem, Alfredo N.; Iusem, A. N.; Iusem, Alfredo; Iusem, A.; Iusem, Alfredo Noel more...less Homepage: http://w3.impa.br/~optim/iusem.html External Links: MGP · ORCID · Wikidata · ResearchGate · dblp · GND · IdRef Documents Indexed: 161 Publications since 1984, including 2 Books and 3 Additional arXiv Preprints 2 Contributions as Editor Biographic References: 1 Publication Co-Authors: 73 Co-Authors with 149 Joint Publications 2,329 Co-Co-Authors all top 5 Co-Authors 14 single-authored 18 Svaiter, Benar Fux 14 de Pierro, Alvaro Rodolfo 13 Seeger, Alberto 12 Burachik, Regina Sandra 8 Behling, Roger 7 Butnariu, Dan 7 Gárciga Otero, Rolando 7 Júdice, Joaquim João 7 Lara, Felipe 6 Graña Drummond, L. M. 6 Santos, Luiz-Rafael 6 Sosa, Wilfredo 6 Teboulle, Marc 5 Bello Cruz, Jose Yunier 5 Bello Cruz, Yunier Y. 5 Melo, Jefferson G. 4 Alber, Yakov I. 4 Ivanov Todorov, Maxim 4 Mohebbi, Vahid 4 Resmerita, Elena 4 Sessa, Valentina 3 Arefidamghani, Reza 3 Censor, Yair 3 Ferreira, Orizon Pereira 3 Fukushima, Masao 3 Jofré, Alejandro 3 Nasri, Mostafa 3 Solodov, Mikhail V. 2 Brás, Carmo P. 2 da Cruz Neto, João Xavier 2 Engl, Heinz W. 2 Isnard, Carlos A. 2 Kassay, Gábor 2 Liu, Di 2 Martínez-Legaz, Juan-Enrique 2 Moledo, Leonardo 2 Monteiro, Renato D. C. 2 Németh, Sándor Zoltán 2 Oliveira, Roberto Imbuzeiro 2 Reem, Daniel 2 Sherali, Hanif D. 2 Zenios, Stavros Andrea 1 Araújo, G. H. M. 1 Aussel, Didier 1 Barragán, Abraham B. 1 Bonnel, Henri 1 Cotrina, John 1 D’Apuzzo, Marco 1 Elfving, Tommy 1 Fernandes, Luis M. 1 Fischer, Andreas 1 Gárciga, O. Rolando 1 Goberna, Miguel Angel 1 Hadjisavvas, Nicolas 1 Herman, Gabor T. 1 Hernández, Lidia A. 1 Herrich, Markus 1 Kallio, Markku 1 Lucambio Pérez, Luis R. 1 Lucena, Abilio 1 Maculan, Nelson F. 1 Maddalena, Maria Rosaria 1 Marcavillaca, Raul T. 1 Martínez, José Mario 1 Mordukhovich, Boris S. 1 Pennanen, Teemu 1 Reich, Simeon 1 Sarabando, Paula 1 Serra, Ray G. 1 Ye, Yinyu 1 Yuan, Jin Yun 1 Yuan, Jinyun 1 Zălinescu, Constantin all top 5 Serials 13 Optimization 13 Journal of Convex Analysis 12 Journal of Optimization Theory and Applications 12 Mathematical Programming. Series A. Series B 10 Computational and Applied Mathematics 8 Numerical Functional Analysis and Optimization 7 Journal of Global Optimization 6 SIAM Journal on Optimization 6 Computational Optimization and Applications 5 Mathematics of Operations Research 5 Optimization Methods & Software 4 Journal of Mathematical Analysis and Applications 4 Linear Algebra and its Applications 3 Inverse Problems 3 SIAM Journal on Control and Optimization 3 RAIRO. Operations Research 3 Journal of Nonlinear and Variational Analysis 2 Applied Mathematics and Optimization 2 Acta Applicandae Mathematicae 2 Applied Numerical Mathematics 2 Acta Mathematicae Applicatae Sinica. English Series 2 Matemática Aplicada e Computacional 2 Set-Valued Analysis 2 Journal of Nonlinear and Convex Analysis 2 Set-Valued and Variational Analysis 1 Mathematical Methods in the Applied Sciences 1 Applied Mathematics and Computation 1 Boletim da Sociedade Brasileira de Matemática 1 Commentationes Mathematicae Universitatis Carolinae 1 Journal of Computational and Applied Mathematics 1 Journal of Functional Analysis 1 Mathematics and Computers in Simulation 1 Mathematische Nachrichten 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Numerische Mathematik 1 Proceedings of the American Mathematical Society 1 RAIRO. Recherche Opérationnelle 1 Operations Research Letters 1 Applied Mathematics Letters 1 REBRAPE 1 Numerical Algorithms 1 Computational Statistics and Data Analysis 1 Top 1 Abstract and Applied Analysis 1 Mathematical Inequalities & Applications 1 Pacific Journal of Optimization 1 Applied Optimization 1 Springer Optimization and Its Applications 1 Fixed Point Theory and Algorithms for Sciences and Engineering all top 5 Fields 128 Operations research, mathematical programming (90-XX) 45 Calculus of variations and optimal control; optimization (49-XX) 44 Numerical analysis (65-XX) 21 Convex and discrete geometry (52-XX) 16 Operator theory (47-XX) 14 Functional analysis (46-XX) 7 Statistics (62-XX) 4 General topology (54-XX) 2 General and overarching topics; collections (00-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Real functions (26-XX) 2 Integral equations (45-XX) 2 Probability theory and stochastic processes (60-XX) 2 Biology and other natural sciences (92-XX) 2 Information and communication theory, circuits (94-XX) 1 Difference and functional equations (39-XX) 1 Integral transforms, operational calculus (44-XX) 1 Systems theory; control (93-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 152 Publications have been cited 3,246 times in 1,926 Documents Cited by ▼ Year ▼ Totally convex functions for fixed points computation and infinite dimensional optimization. Zbl 0960.90092 Butnariu, Dan; Iusem, Alfredo N. 174 2000 A variant of Korpelevich’s method for variational inequalities with a new search strategy. Zbl 0891.90135 Iusem, A. N.; Svaiter, B. F. 171 1997 Proximal methods in vector optimization. Zbl 1093.90054 Bonnel, Henri; Iusem, Alfredo Noel; Svaiter, Benar Fux 107 2005 A projected gradient method for vector optimization problems. Zbl 1056.90126 Graña Drummond, L. M.; Iusem, A. N. 97 2004 On certain conditions for the existence of solutions of equilibrium problems. Zbl 1158.90009 Iusem, Alfredo N.; Kassay, Gábor; Sosa, Wilfredo 96 2009 Set-valued mappings and enlargement of monotone operators. Zbl 1154.49001 Burachik, Regina S.; Iusem, Alfredo N. 96 2008 Enlargement of monotone operators with applications to variational inequalities. Zbl 0882.90105 Burachik, Regina S.; Iusem, Alfredo N.; Svaiter, B. F. 92 1997 Iterative algorithms for equilibrium problems. Zbl 1176.90640 Iusem, Alfredo N.; Sosa, Wilfredo 91 2003 New existence results for equilibrium problems. Zbl 1017.49008 Iusem, Alfredo N.; Sosa, Wilfredo 90 2003 Korpelevich’s method for variational inequality problems in Banach spaces. Zbl 1226.49010 Iusem, Alfredo N.; Nasri, Mostafa 76 2011 A generalized proximal point algorithm for the variational inequality problem in a Hilbert space. Zbl 0911.90273 Burachik, Regina S.; Iusem, Alfredo N. 74 1998 On the proximal point method for equilibrium problems in Hilbert spaces. Zbl 1206.90212 Iusem, Alfredo N.; Sosa, Wilfredo 73 2010 An iterative algorithm for the variational inequality problem. Zbl 0811.65049 Iusem, Alfredo N. 65 1994 On the projected subgradient method for nonsmooth convex optimization in a Hilbert space. Zbl 0919.90122 Alber, Ya. I.; Iusem, A. N.; Solodov, M. V. 64 1998 Entropy-like proximal methods in convex programming. Zbl 0821.90092 Iusem, Alfredo N.; Svaiter, B. F.; Teboulle, Marc 63 1994 Full convergence of the steepest descent method with inexact line searches. Zbl 0821.90089 Burachik, R.; Graña Drummond, L. M.; Iusem, A. N.; Svaiter, B. F. 60 1995 Newton-type methods with generalized distances for constrained optimization. Zbl 0905.49015 Iusem, Alfredo N.; Solodov, Michael V. 57 1997 An interior point method with Bregman functions for the variational inequality problem with paramonotone operators. Zbl 0919.90123 Censor, Yair; Iusem, Alfredo N.; Zenios, Stavros A. 54 1998 Extension of subgradient techniques for nonsmooth optimization in Banach spaces. Zbl 1049.90123 Alber, Ya. I.; Iusem, A. N. 49 2001 Inexact variants of the proximal point algorithm without monotonicity. Zbl 1053.90134 Iusem, A. N.; Pennanen, T.; Svaiter, B. F. 46 2003 Extragradient method with variance reduction for stochastic variational inequalities. Zbl 1365.65179 Iusem, A. N.; Jofré, A.; Oliveira, R. I.; Thompson, P. 46 2017 On the convergence of Han’s method for convex programming with quadratic objective. Zbl 0744.90066 Iusem, Alfredo N.; De Pierro, Alvaro R. 45 1991 A relaxed version of Bregman’s method for convex programming. Zbl 0581.90069 de Pierro, A. R.; Iusem, A. N. 44 1986 On some properties of paramonotone operators. Zbl 0914.90216 Iusem, Alfredo N. 43 1998 Inexact versions of proximal point and augmented Lagrangian algorithms in Banach spaces. Zbl 1018.90067 Iusem, Alfredo; Gárciga Otero, Rolando 43 2001 Convergence of direct methods for paramonotone variational inequalities. Zbl 1220.90129 Bello Cruz, J. Y.; Iusem, A. N. 40 2010 A strongly convergent direct method for monotone variational inequalities in Hilbert spaces. Zbl 1161.49002 Bello Cruz, J. Y.; Iusem, A. N. 38 2009 Inexact proximal point methods for equilibrium problems in Banach spaces. Zbl 1144.65041 Iusem, Alfredo N.; Nasri, Mostafa 34 2007 On uniform convexity, total convexity and convergence of the proximal point and outer Bregman projection algorithms in Banach spaces. Zbl 1091.90078 Butnariu, Dan; Iusem, Alfredo N.; Zălinescu, Constantin 34 2003 A simultaneous projections method for linear inequalities. Zbl 0552.65051 De Pierro, Alvaro R.; Iusem, Alfredo N. 32 1985 Convergence rate analysis of nonquadratic proximal methods for convex and linear programming. Zbl 0845.90099 Iusem, Alfredo N.; Teboulle, Marc 31 1995 Preconditioned conjugate gradient method for generalized least squares problems. Zbl 0861.65036 Yuan, J. Y.; Iusem, A. N. 31 1996 Variance-based extragradient methods with line search for stochastic variational inequalities. Zbl 1415.65145 Iusem, Alfredo N.; Jofré, Alejandro; Oliveira, Roberto I.; Thompson, Philip 29 2019 On pairs of vectors achieving the maximal angle of a convex cone. Zbl 1087.52005 Iusem, Alfredo; Seeger, Alberto 28 2005 An extragradient-type algorithm for non-smooth variational inequalities. Zbl 0979.49009 Iusem, Alfredo N.; Lucambio Pérez, Luis R. 27 2000 On the convergence properties of the projected gradient method for convex optimization. Zbl 1213.90197 Iusem, A. N. 27 2003 An existence result for quasi-equilibrium problems. Zbl 1364.49008 Aussel, Didier; Cotrina, John; Iusem, Alfredo N. 27 2017 Incremental constraint projection methods for monotone stochastic variational inequalities. Zbl 1477.65101 Iusem, Alfredo N.; Jofré, Alejandro; Thompson, Philip 26 2019 An explicit algorithm for monotone variational inequalities. Zbl 1252.90088 Cruz, J. Y. Bello; Iusem, A. N. 24 2012 A simultaneous iterative method for computing projections on polyhedra. Zbl 0621.90061 Iusem, Alfredo N.; de Pierro, Alvaro R. 24 1987 A finitely convergent “row-action” method for the convex feasibility problem. Zbl 0655.65085 De Pierro, Alvaro R.; Iusem, Alfredo N. 22 1988 Total convexity for powers of the norm in uniformly convex Banach spaces. Zbl 0971.46005 Butnariu, Dan; Iusem, Alfredo N.; Resmerita, Elena 22 2000 Searching for critical angles in a convex cone. Zbl 1163.52003 Iusem, Alfredo; Seeger, Alberto 21 2009 Convergence results for an accelerated nonlinear Cimmino algorithm. Zbl 0571.65051 Iusem, Alfredo N.; De Pierro, Alvaro Rodolfo 21 1986 The effect of calmness on the solution set of systems of nonlinear equations. Zbl 1266.65079 Behling, Roger; Iusem, Alfredo 21 2013 Axiomatization of the index of pointedness for closed convex cones. Zbl 1218.52005 Iusem, Alfredo; Seeger, Alberto 20 2005 Central paths, generalized proximal point methods, and Cauchy trajectories in Riemannian manifolds. Zbl 0918.90113 Iusem, Alfredo N.; Svaiter, B. F.; da Cruz Neto, João Xavier 19 1999 On the convergence properties of Hildreth’s quadratic programming algorithm. Zbl 0712.90054 Iusem, Alfredo N.; De Pierro, Alvaro R. 19 1990 Duality and exact penalization for general augmented Lagrangians. Zbl 1211.90284 Burachik, R. S.; Iusem, A. N.; Melo, J. G. 19 2010 Concepts and techniques of optimization on the sphere. Zbl 1336.26015 Ferreira, O. P.; Iusem, A. N.; Németh, S. Z. 18 2014 A proximal point method for nonsmooth convex optimization problems in Banach spaces. Zbl 0947.90091 Alber, Y. I.; Burachik, R. S.; Iusem, A. N. 17 1997 The expectation-maximization algorithm for ill-posed integral equations: a convergence analysis. Zbl 1282.65173 Resmerita, Elena; Engl, Heinz W.; Iusem, Alfredo N. 17 2007 On the maximal monotonicity of diagonal subdifferential operators. Zbl 1223.90076 Iusem, Alfredo N. 16 2011 Some properties of generalized proximal point methods for quadratic and linear programming. Zbl 0831.90092 Iusem, A. N. 16 1995 A strongly convergent method for nonsmooth convex minimization in Hilbert spaces. Zbl 1232.90319 Bello Cruz, J. Y.; Iusem, A. N. 16 2011 An existence result for equilibrium problems with some surjectivity consequences. Zbl 1200.90164 Iusem, Alfredo N.; Kassay, Gábor; Sosa, Wilfredo 16 2009 Optimality conditions for vector equilibrium problems with applications. Zbl 1409.90127 Iusem, Alfredo; Lara, Felipe 16 2019 Minimization of nonsmooth convex functionals in Banach spaces. Zbl 0895.90150 Alber, Ya. I.; Iusem, A. N.; Solodov, M. V. 15 1997 Projections onto convex sets on the sphere. Zbl 1312.90055 Ferreira, O. P.; Iusem, A. N.; Németh, S. Z. 15 2013 On convex cones with infinitely many critical angles. Zbl 1121.52008 Iusem, Alfredo; Seeger, Alberto 14 2007 On a proximal point method for convex optimization in Banach spaces. Zbl 0891.49002 Butnariu, Dan; Iusem, Alfredo N. 14 1997 Angular analysis of two classes of non-polyhedral convex cones: the point of view of optimization theory. Zbl 1182.90072 Iusem, Alfredo; Seeger, Alberto 14 2007 On dual convergence and the rate of primal convergence of Bregman’s convex programming method. Zbl 0753.90051 Iusem, Alfredo N. 14 1991 A primal dual modified subgradient algorithm with sharp Lagrangian. Zbl 1188.90200 Burachik, Regina S.; Iusem, Alfredo N.; Melo, Jefferson G. 13 2010 Motzkin decomposition of closed convex sets via truncation. Zbl 1262.52002 Goberna, M. A.; Iusem, A.; Martínez-Legaz, J. E.; Todorov, M. I. 13 2013 Existence results for noncoercive mixed variational inequalities in finite dimensional spaces. Zbl 1434.90204 Iusem, Alfredo; Lara, Felipe 13 2019 Measuring the degree of pointedness of a closed convex cone: a metric approach. Zbl 1110.15015 Iusem, Alfredo; Seeger, Alberto 11 2006 Optimization of Burg’s entropy over linear constraints. Zbl 0722.65032 Censor, Yair; De Pierro, Alvaro R.; Iusem, Alfredo N. 11 1991 A finitely convergent method of simultaneous subgradient projections for the convex feasibility problem. Zbl 0625.90079 Iusem, Alfredo N.; Moledo, Leonardo 10 1986 Proximal methods in reflexive Banach spaces without monotonicity. Zbl 1160.90692 Gárciga Otero, Rolando; Iusem, Alfredo N. 10 2007 Antipodal pairs, critical pairs, and Nash angular equilibria in convex cones. Zbl 1146.90052 Iusem, Alfredo; Seeger, Alberto 10 2008 Iterative methods of solving stochastic convex feasibility problems and applications. Zbl 0947.90080 Butnariu, Dan; Iusem, Alfredo N.; Burachik, Regina S. 10 2000 Augmented Lagrangian methods for variational inequality problems. Zbl 1187.90293 Iusem, Alfredo N.; Nasri, Mostafa 10 2010 Proximal methods with penalization effects in Banach spaces. Zbl 1062.90066 Gárciga Otero, Rolando; Iusem, Alfredo 10 2004 On the convergence of iterative methods for symmetric linear complementarity problems. Zbl 0790.90069 Iusem, Alfredo N. 10 1993 On the symmetric quadratic eigenvalue complementarity problem. Zbl 1299.90342 Fernandes, Luís M.; Júdice, Joaquim J.; Fukushima, Masao; Iusem, Alfredo 10 2014 Order preserving and order reversing operators on the class of convex functions in Banach spaces. Zbl 1314.46085 Iusem, Alfredo N.; Reem, Daniel; Svaiter, Benar F. 10 2015 Normality and modulability indices. I: Convex cones in normed spaces. Zbl 1141.46004 Iusem, A.; Seeger, A. 9 2008 A Levenberg-Marquardt method with approximate projections. Zbl 1298.90103 Behling, R.; Fischer, A.; Herrich, M.; Iusem, A.; Ye, Y. 9 2014 Motzkin predecomposable sets. Zbl 1305.52004 Iusem, A. N.; Martínez-Legaz, J. E.; Todorov, M. I. 9 2014 Extragradient methods for vector equilibrium problems in Banach spaces. Zbl 1412.90108 Iusem, Alfredo N.; Mohebbi, Vahid 9 2019 The circumcentered-reflection method achieves better rates than alternating projections. Zbl 1470.49058 Arefidamghani, Reza; Behling, Roger; Bello-Cruz, Yunier; Iusem, Alfredo N.; Santos, Luiz-Rafael 9 2021 Preconditioned SOR methods for generalized least-squares problems. Zbl 0971.65034 Yuan, Jinyun; Iusem, Alfredo N. 8 2000 On iterative methods for linearly constrained entropy maximization. Zbl 0718.65047 Censor, Yair; de Pierro, Alvaro R.; Elfving, Tommy; Herman, Gabor T.; Iusem, Alfredo N. 8 1990 On the asymptotic behavior of some alternate smoothing series expansion iterative methods. Zbl 0718.65093 De Pierro, Alvaro R.; Iusem, Alfredo N. 8 1990 A short convergence proof of the EM algorithm for a specific Poisson model. Zbl 0768.62019 Iusem, Alfredo N. 8 1992 On the quadratic eigenvalue complementarity problem. Zbl 1357.65072 Brás, Carmo P.; Iusem, Alfredo N.; Júdice, Joaquim J. 8 2016 Distances between closed convex cones: old and new results. Zbl 1206.46020 Iusem, A. N.; Seeger, A. 8 2010 Second order asymptotic functions and applications to quadratic programming. Zbl 1390.90415 Iusem, Alfredo N.; Lara, Felipe 7 2018 Pointedness, connectedness, and convergence results in the space of closed convex cones. Zbl 1113.52004 Iusem, Alfredo; Seeger, Alberto 7 2004 Convergence analysis for a multiplicatively relaxed EM algorithm. Zbl 0743.65105 Iusem, Alfredo N. 7 1991 Local moduli of convexity and their application to finding almost common fixed points of measurable families of operators. Zbl 0874.46006 Butnariu, Dan; Iusem, Alfredo N. 7 1997 An inexact modified subgradient algorithm for primal-dual problems via augmented Lagrangians. Zbl 1266.90194 Burachik, Regina S.; Iusem, Alfredo N.; Melo, Jefferson G. 7 2013 Splitting methods for the eigenvalue complementarity problem. Zbl 1431.90157 Iusem, Alfredo N.; Júdice, Joaquim J.; Sessa, Valentina; Sarabando, Paula 7 2019 Extragradient methods for nonsmooth equilibrium problems in Banach spaces. Zbl 1460.90191 Iusem, Alfredo N.; Mohebbi, Vahid 7 2020 On the need for hybrid steps in hybrid proximal point methods. Zbl 1061.47057 Gárciga, O. Rolando; Iusem, Alfredo; Svaiter, B. F. 6 2001 Augmented Lagrangian methods for cone-constrained convex optimization in Banach spaces. Zbl 1175.90414 Iusem, Alfredo; Gárciga Otero, Rolando 6 2002 Computing the radius of pointedness of a convex cone. Zbl 1219.52001 Iusem, Alfredo; Seeger, Alberto 6 2008 On diagonal subdifferential operators in nonreflexive Banach spaces. Zbl 1242.90288 Iusem, A. N.; Svaiter, Benar Fux 6 2012 Full convergence of an approximate projection method for nonsmooth variational inequalities. Zbl 07313374 Bello Cruz, J. Y.; Iusem, A. N. 6 2015 Circumcentering approximate reflections for solving the convex feasibility problem. Zbl 07525630 Araújo, G. H. M.; Arefidamghani, R.; Behling, R.; Bello-Cruz, Y.; Iusem, A.; Santos, L.-R. 3 2022 Proximal point algorithms for quasiconvex pseudomonotone equilibrium problems. Zbl 1492.90183 Iusem, A.; Lara, F. 3 2022 The circumcentered-reflection method achieves better rates than alternating projections. Zbl 1470.49058 Arefidamghani, Reza; Behling, Roger; Bello-Cruz, Yunier; Iusem, Alfredo N.; Santos, Luiz-Rafael 9 2021 An extragradient method for vector equilibrium problems on Hadamard manifolds. Zbl 1518.47104 Iusem, Alfredo N.; Mohebbi, Vahid 4 2021 An alternating direction method of multipliers for the eigenvalue complementarity problem. Zbl 1470.90143 Júdice, Joaquim J.; Fukushima, Masao; Iusem, Alfredo; Martinez, J. M.; Sessa, Valentina 2 2021 Extragradient methods for nonsmooth equilibrium problems in Banach spaces. Zbl 1460.90191 Iusem, Alfredo N.; Mohebbi, Vahid 7 2020 Convergence analysis of the extragradient method for equilibrium problems in Hadamard spaces. Zbl 1449.90289 Iusem, Alfredo N.; Mohebbi, Vahid 5 2020 A note on: “Existence results for noncoercive mixed variational inequalities in finite dimensional spaces”. Zbl 1468.90135 Iusem, Alfredo; Lara, Felipe 4 2020 On diametrically maximal sets, premonotone operators and premonotone bifunctions. Zbl 1492.47047 Iusem, Alfredo N.; Sosa, Wilfredo 3 2020 Quasiconvex optimization problems and asymptotic analysis in Banach spaces. Zbl 1527.90173 Iusem, A.; Lara, Felipe 3 2020 Primal-dual partitions in linear semi-infinite programming with bounded coefficients. Zbl 1485.90141 Barragán, Abraham B.; Hernández, Lidia A.; Iusem, Alfredo N.; Todorov, Maxim I. 1 2020 Variance-based extragradient methods with line search for stochastic variational inequalities. Zbl 1415.65145 Iusem, Alfredo N.; Jofré, Alejandro; Oliveira, Roberto I.; Thompson, Philip 29 2019 Incremental constraint projection methods for monotone stochastic variational inequalities. Zbl 1477.65101 Iusem, Alfredo N.; Jofré, Alejandro; Thompson, Philip 26 2019 Optimality conditions for vector equilibrium problems with applications. Zbl 1409.90127 Iusem, Alfredo; Lara, Felipe 16 2019 Existence results for noncoercive mixed variational inequalities in finite dimensional spaces. Zbl 1434.90204 Iusem, Alfredo; Lara, Felipe 13 2019 Extragradient methods for vector equilibrium problems in Banach spaces. Zbl 1412.90108 Iusem, Alfredo N.; Mohebbi, Vahid 9 2019 Splitting methods for the eigenvalue complementarity problem. Zbl 1431.90157 Iusem, Alfredo N.; Júdice, Joaquim J.; Sessa, Valentina; Sarabando, Paula 7 2019 The \(q\)-asymptotic function in \(c\)-convex analysis. Zbl 1436.90104 Iusem, A.; Lara, F. 6 2019 Fixed points of Legendre-Fenchel type transforms. Zbl 1514.47082 Iusem, Alfredo N.; Reem, Daniel; Reich, Simeon 2 2019 Second order asymptotic functions and applications to quadratic programming. Zbl 1390.90415 Iusem, Alfredo N.; Lara, Felipe 7 2018 On OM-decomposable sets. Zbl 1406.52003 Iusem, A. N.; Todorov, M. I. 3 2018 Extragradient method with variance reduction for stochastic variational inequalities. Zbl 1365.65179 Iusem, A. N.; Jofré, A.; Oliveira, R. I.; Thompson, P. 46 2017 An existence result for quasi-equilibrium problems. Zbl 1364.49008 Aussel, Didier; Cotrina, John; Iusem, Alfredo N. 27 2017 The second-order cone quadratic eigenvalue complementarity problem. Zbl 1474.90478 Iusem, Alfredo N.; Judice, Joaquim J.; Sessa, Valentina; Sherali, Hanif D. 3 2017 On the quadratic eigenvalue complementarity problem. Zbl 1357.65072 Brás, Carmo P.; Iusem, Alfredo N.; Júdice, Joaquim J. 8 2016 On the numerical solution of the quadratic eigenvalue complementarity problem. Zbl 1343.65070 Iusem, Alfredo N.; Júdice, Joaquim J.; Sessa, Valentina; Sherali, Hanif D. 3 2016 A proximal method with logarithmic barrier for nonlinear complementarity problems. Zbl 1346.90777 Gárciga Otero, Rolando; Iusem, Alfredo 1 2016 Order preserving and order reversing operators on the class of convex functions in Banach spaces. Zbl 1314.46085 Iusem, Alfredo N.; Reem, Daniel; Svaiter, Benar F. 10 2015 Full convergence of an approximate projection method for nonsmooth variational inequalities. Zbl 07313374 Bello Cruz, J. Y.; Iusem, A. N. 6 2015 The exact penalty map for nonsmooth and nonconvex optimization. Zbl 1312.49045 Burachik, Regina S.; Iusem, Alfredo N.; Melo, Jefferson G. 5 2015 On the quadratic eigenvalue complementarity problem over a general convex cone. Zbl 1410.90213 Brás, Carmo P.; Fukushima, Masao; Iusem, Alfredo N.; Júdice, Joaquim J. 4 2015 Concepts and techniques of optimization on the sphere. Zbl 1336.26015 Ferreira, O. P.; Iusem, A. N.; Németh, S. Z. 18 2014 On the symmetric quadratic eigenvalue complementarity problem. Zbl 1299.90342 Fernandes, Luís M.; Júdice, Joaquim J.; Fukushima, Masao; Iusem, Alfredo 10 2014 A Levenberg-Marquardt method with approximate projections. Zbl 1298.90103 Behling, R.; Fischer, A.; Herrich, M.; Iusem, A.; Ye, Y. 9 2014 Motzkin predecomposable sets. Zbl 1305.52004 Iusem, A. N.; Martínez-Legaz, J. E.; Todorov, M. I. 9 2014 Splitting methods for finding zeroes of sums of maximal monotone operators in Banach spaces. Zbl 1291.47055 Iusem, Alfredo N.; Svaiter, Benar F. 3 2014 The effect of calmness on the solution set of systems of nonlinear equations. Zbl 1266.65079 Behling, Roger; Iusem, Alfredo 21 2013 Projections onto convex sets on the sphere. Zbl 1312.90055 Ferreira, O. P.; Iusem, A. N.; Németh, S. Z. 15 2013 Motzkin decomposition of closed convex sets via truncation. Zbl 1262.52002 Goberna, M. A.; Iusem, A.; Martínez-Legaz, J. E.; Todorov, M. I. 13 2013 An inexact modified subgradient algorithm for primal-dual problems via augmented Lagrangians. Zbl 1266.90194 Burachik, Regina S.; Iusem, Alfredo N.; Melo, Jefferson G. 7 2013 Fixed-point methods for a certain class of operators. Zbl 1293.47061 Gárciga Otero, Rolando; Iusem, Alfredo 3 2013 An explicit algorithm for monotone variational inequalities. Zbl 1252.90088 Cruz, J. Y. Bello; Iusem, A. N. 24 2012 On diagonal subdifferential operators in nonreflexive Banach spaces. Zbl 1242.90288 Iusem, A. N.; Svaiter, Benar Fux 6 2012 Korpelevich’s method for variational inequality problems in Banach spaces. Zbl 1226.49010 Iusem, Alfredo N.; Nasri, Mostafa 76 2011 On the maximal monotonicity of diagonal subdifferential operators. Zbl 1223.90076 Iusem, Alfredo N. 16 2011 A strongly convergent method for nonsmooth convex minimization in Hilbert spaces. Zbl 1232.90319 Bello Cruz, J. Y.; Iusem, A. N. 16 2011 Regularity results for semimonotone operators. Zbl 1216.47081 Gárciga Otero, Rolando; Iusem, Alfredo 2 2011 On the proximal point method for equilibrium problems in Hilbert spaces. Zbl 1206.90212 Iusem, Alfredo N.; Sosa, Wilfredo 73 2010 Convergence of direct methods for paramonotone variational inequalities. Zbl 1220.90129 Bello Cruz, J. Y.; Iusem, A. N. 40 2010 Duality and exact penalization for general augmented Lagrangians. Zbl 1211.90284 Burachik, R. S.; Iusem, A. N.; Melo, J. G. 19 2010 A primal dual modified subgradient algorithm with sharp Lagrangian. Zbl 1188.90200 Burachik, Regina S.; Iusem, Alfredo N.; Melo, Jefferson G. 13 2010 Augmented Lagrangian methods for variational inequality problems. Zbl 1187.90293 Iusem, Alfredo N.; Nasri, Mostafa 10 2010 Distances between closed convex cones: old and new results. Zbl 1206.46020 Iusem, A. N.; Seeger, A. 8 2010 A proximal point method in nonreflexive Banach spaces. Zbl 1189.90196 Iusem, Alfredo N.; Resmerita, Elena 3 2010 On certain conditions for the existence of solutions of equilibrium problems. Zbl 1158.90009 Iusem, Alfredo N.; Kassay, Gábor; Sosa, Wilfredo 96 2009 A strongly convergent direct method for monotone variational inequalities in Hilbert spaces. Zbl 1161.49002 Bello Cruz, J. Y.; Iusem, A. N. 38 2009 Searching for critical angles in a convex cone. Zbl 1163.52003 Iusem, Alfredo; Seeger, Alberto 21 2009 An existence result for equilibrium problems with some surjectivity consequences. Zbl 1200.90164 Iusem, Alfredo N.; Kassay, Gábor; Sosa, Wilfredo 16 2009 Set-valued mappings and enlargement of monotone operators. Zbl 1154.49001 Burachik, Regina S.; Iusem, Alfredo N. 96 2008 Antipodal pairs, critical pairs, and Nash angular equilibria in convex cones. Zbl 1146.90052 Iusem, Alfredo; Seeger, Alberto 10 2008 Normality and modulability indices. I: Convex cones in normed spaces. Zbl 1141.46004 Iusem, A.; Seeger, A. 9 2008 Computing the radius of pointedness of a convex cone. Zbl 1219.52001 Iusem, Alfredo; Seeger, Alberto 6 2008 Normality and modulability indices. II: Convex cones in Hilbert spaces. Zbl 1141.46005 Iusem, A.; Seeger, A. 5 2008 Antipodality in convex cones and distance to unpointedness. Zbl 1158.46004 Iusem, Alfredo; Seeger, Alberto 2 2008 Special issue: ISMP 2006. Selected papers based on the presentations at the 19th international symposium on mathematical programming, Rio de Janeiro, Brazil, July 31 – August 4, 2006. Zbl 1122.90301 1 2008 Corrigendum: The expectation-maximization algorithm for ill-posed integral equations: a convergence analysis. Zbl 1282.65174 Resmerita, Elena; Engl, Heinz W.; Iusem, Alfredo N. 1 2008 Inexact proximal point methods for equilibrium problems in Banach spaces. Zbl 1144.65041 Iusem, Alfredo N.; Nasri, Mostafa 34 2007 The expectation-maximization algorithm for ill-posed integral equations: a convergence analysis. Zbl 1282.65173 Resmerita, Elena; Engl, Heinz W.; Iusem, Alfredo N. 17 2007 On convex cones with infinitely many critical angles. Zbl 1121.52008 Iusem, Alfredo; Seeger, Alberto 14 2007 Angular analysis of two classes of non-polyhedral convex cones: the point of view of optimization theory. Zbl 1182.90072 Iusem, Alfredo; Seeger, Alberto 14 2007 Proximal methods in reflexive Banach spaces without monotonicity. Zbl 1160.90692 Gárciga Otero, Rolando; Iusem, Alfredo N. 10 2007 Dual convergence of the proximal point method with Bregman distances for linear programming. Zbl 1133.90007 Cruz Neto, J. X.; Ferreira, O. P.; Iusem, A. N.; Monteiro, R. D. C. 4 2007 Measuring the degree of pointedness of a closed convex cone: a metric approach. Zbl 1110.15015 Iusem, Alfredo; Seeger, Alberto 11 2006 On non-enlargeable and fully enlargeable monotone operators. Zbl 1116.47044 Burachik, R. S.; Iusem, A. N. 3 2006 Proximal methods in vector optimization. Zbl 1093.90054 Bonnel, Henri; Iusem, Alfredo Noel; Svaiter, Benar Fux 107 2005 On pairs of vectors achieving the maximal angle of a convex cone. Zbl 1087.52005 Iusem, Alfredo; Seeger, Alberto 28 2005 Axiomatization of the index of pointedness for closed convex cones. Zbl 1218.52005 Iusem, Alfredo; Seeger, Alberto 20 2005 A projected gradient method for vector optimization problems. Zbl 1056.90126 Graña Drummond, L. M.; Iusem, A. N. 97 2004 Proximal methods with penalization effects in Banach spaces. Zbl 1062.90066 Gárciga Otero, Rolando; Iusem, Alfredo 10 2004 Pointedness, connectedness, and convergence results in the space of closed convex cones. Zbl 1113.52004 Iusem, Alfredo; Seeger, Alberto 7 2004 An interior point method for constrained saddle point problems. Zbl 1213.90198 Iusem, Alfredo N.; Kallio, Markku 2 2004 Iterative algorithms for equilibrium problems. Zbl 1176.90640 Iusem, Alfredo N.; Sosa, Wilfredo 91 2003 New existence results for equilibrium problems. Zbl 1017.49008 Iusem, Alfredo N.; Sosa, Wilfredo 90 2003 Inexact variants of the proximal point algorithm without monotonicity. Zbl 1053.90134 Iusem, A. N.; Pennanen, T.; Svaiter, B. F. 46 2003 On uniform convexity, total convexity and convergence of the proximal point and outer Bregman projection algorithms in Banach spaces. Zbl 1091.90078 Butnariu, Dan; Iusem, Alfredo N.; Zălinescu, Constantin 34 2003 On the convergence properties of the projected gradient method for convex optimization. Zbl 1213.90197 Iusem, A. N. 27 2003 On first order optimality conditions for vector optimization. Zbl 1044.90050 Graña Drummond, L. M.; Iusem, A. N.; Svaiter, B. F. 2 2003 Augmented Lagrangian methods for cone-constrained convex optimization in Banach spaces. Zbl 1175.90414 Iusem, Alfredo; Gárciga Otero, Rolando 6 2002 Extension of subgradient techniques for nonsmooth optimization in Banach spaces. Zbl 1049.90123 Alber, Ya. I.; Iusem, A. N. 49 2001 Inexact versions of proximal point and augmented Lagrangian algorithms in Banach spaces. Zbl 1018.90067 Iusem, Alfredo; Gárciga Otero, Rolando 43 2001 On the need for hybrid steps in hybrid proximal point methods. Zbl 1061.47057 Gárciga, O. Rolando; Iusem, Alfredo; Svaiter, B. F. 6 2001 Totally convex functions for fixed points computation and infinite dimensional optimization. Zbl 0960.90092 Butnariu, Dan; Iusem, Alfredo N. 174 2000 An extragradient-type algorithm for non-smooth variational inequalities. Zbl 0979.49009 Iusem, Alfredo N.; Lucambio Pérez, Luis R. 27 2000 Total convexity for powers of the norm in uniformly convex Banach spaces. Zbl 0971.46005 Butnariu, Dan; Iusem, Alfredo N.; Resmerita, Elena 22 2000 Iterative methods of solving stochastic convex feasibility problems and applications. Zbl 0947.90080 Butnariu, Dan; Iusem, Alfredo N.; Burachik, Regina S. 10 2000 Preconditioned SOR methods for generalized least-squares problems. Zbl 0971.65034 Yuan, Jinyun; Iusem, Alfredo N. 8 2000 On dual convergence of the generalized proximal point method with Bregman distances. Zbl 0980.90064 Iusem, Alfredo; Monteiro, Renato D. C. 5 2000 On the central path for nonlinear semidefinite programming. Zbl 0971.90088 Graña Drummond, L. M.; Iusem, Alfredo Noel; Svaiter, B. F. 3 2000 Welldefinedness and limiting behavior of the central path. Zbl 1119.90340 Graña Drummond, L. M.; Iusem, A. N. 2 2000 On mixed Hölder-Minkowski inequalities and total convexity of certain functions in \({\mathcal L}^p(\Omega)\). Zbl 1007.46032 Isnard, C. A.; Iusem, A. N. 2 2000 ...and 52 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 1,927 Authors 81 Iusem, Alfredo Noel 48 Shehu, Yekini 47 Yao, Jen-Chih 38 Seeger, Alberto 35 Bauschke, Heinz H. 32 Ferreira, Orizon Pereira 32 Reich, Simeon 30 Jolaoso, Lateef Olakunle O. 29 da Cruz Neto, João Xavier 29 Yao, Yonghong 28 Svaiter, Benar Fux 26 Censor, Yair 25 Ceng, Lu-Chuan 25 Dong, Qiaoli 25 Kumam, Poom 25 Oliveira, Paulo Roberto 24 Burachik, Regina Sandra 24 Liou, Yeongcheng 23 Wang, Shawn Xianfu 21 Cho, Yeol Je 21 Dương Việt Thông 20 Bello Cruz, Jose Yunier 20 Cholamjiak, Prasit 19 Iyiola, Olaniyi Samuel 19 Lara, Felipe 18 Noor, Muhammad Aslam 17 Gibali, Aviv 17 Kang, Shin Min 17 Lê Dung Muu 17 Mewomo, Oluwatosin Temitope 17 Naraghirad, Eskandar 16 Ansari, Qamrul Hasan 15 Bento, Glaydston C. 15 Mohebbi, Vahid 15 Prudente, Leandro F. 15 Wen, Chingfeng 14 Zegeye, Habtu 13 Bnouhachem, Abdellah 13 Dang Van Hieu 13 Huang, Nan-Jing 13 Martínez-Legaz, Juan-Enrique 13 Németh, Sándor Zoltán 13 Soubeyran, Antoine 13 Yao, Liangjin 12 de Pierro, Alvaro Rodolfo 12 Moursi, Walaa M. 12 Santos, Paulo Sérgio M. 11 Butnariu, Dan 11 Cai, Gang 11 Júdice, Joaquim João 11 Melo, Jefferson G. 11 Pham Ngoc Anh 11 Scheimberg, Susana 11 Vuong, Phan Tu 11 Yuan, Xiaoming 10 Alves, M. Marques 10 Anh, Lam Quoc 10 Bala Abubakar, Auwal 10 Borwein, Jonathan Michael 10 Boţ, Radu Ioan 10 Fukushima, Masao 10 Hadjisavvas, Nicolas 10 Kassay, Gábor 10 Nasri, Mostafa 10 Qin, Xiaolong 10 Solodov, Mikhail V. 10 Sosa, Wilfredo 10 Trương Minh Tuyên 10 Waziri, Mohammed Yusuf 10 Xiu, Naihua 10 Zaslavski, Alexander Yakovlevich 9 Bui Van Dinh 9 Farajzadeh, Ali P. 9 Graña Drummond, L. M. 9 Marino, Giuseppe 9 Martínez, José Mario 9 Papa Quiroz, Erik Alex 9 Peng, Jianwen 9 Sabach, Shoham 9 Sahu, Daya Ram 9 Song, Yisheng 9 Tang, Guoji 9 Torki, Mounir 9 Yuan, Jinyun 8 Ahmed, Kabiru 8 Alakoya, Timilehin Opeyemi 8 Alber, Yakov I. 8 Díaz Millán, R. 8 Fukuda, Ellen Hidemi 8 Gonçalves, Max L. N. 8 Han, Deren 8 He, Bingsheng 8 Izuchukwu, Chinedu 8 Langenberg, Nils 8 Lopes, Jurandir O. 8 Monteiro, Renato D. C. 8 Pakkaranang, Nuttapol 8 Raeisi, Masoumeh 8 Reem, Daniel 8 Rehman, Habib Ur ...and 1,827 more Authors all top 5 Cited in 236 Serials 163 Journal of Optimization Theory and Applications 126 Optimization 92 Journal of Global Optimization 69 Computational Optimization and Applications 63 Mathematical Programming. Series A. Series B 62 Journal of Computational and Applied Mathematics 58 SIAM Journal on Optimization 54 Numerical Functional Analysis and Optimization 49 Numerical Algorithms 48 Applied Mathematics and Computation 47 Set-Valued and Variational Analysis 45 Journal of Mathematical Analysis and Applications 45 Fixed Point Theory and Applications 44 Optimization Letters 39 Optimization Methods & Software 33 Journal of Inequalities and Applications 32 Nonlinear Analysis. Theory, Methods & Applications. 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Second Series 5 Numerical Algebra, Control and Optimization 4 Beiträge zur Algebra und Geometrie 4 BIT 4 SIAM Journal on Control and Optimization 4 Acta Applicandae Mathematicae 4 Bulletin of the Iranian Mathematical Society 4 Computers & Operations Research 4 Journal of Mathematical Imaging and Vision 4 Foundations of Computational Mathematics 4 Acta Mathematica Scientia. Series B. (English Edition) 4 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche 4 SIAM Journal on Imaging Sciences 4 Mathematical Programming Computation 4 Journal of the Operations Research Society of China 4 Fixed Point Theory and Algorithms for Sciences and Engineering 3 Bulletin of the Australian Mathematical Society 3 Mathematics of Computation 3 Proceedings of the American Mathematical Society 3 Bulletin of the Korean Mathematical Society 3 Journal of the Nigerian Mathematical Society 3 Journal of Difference Equations and Applications 3 International Transactions in Operational Research 3 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 3 Acta Mathematica Sinica. English Series 3 Communications in Nonlinear Science and Numerical Simulation 3 Journal of the Australian Mathematical Society 3 Journal of Systems Science and Complexity 3 4OR 3 Mediterranean Journal of Mathematics 3 Networks and Spatial Economics 3 Banach Journal of Mathematical Analysis 3 Afrika Matematika 3 Minimax Theory and its Applications ...and 136 more Serials all top 5 Cited in 50 Fields 1,159 Operations research, mathematical programming (90-XX) 720 Operator theory (47-XX) 710 Numerical analysis (65-XX) 580 Calculus of variations and optimal control; optimization (49-XX) 83 Convex and discrete geometry (52-XX) 72 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 60 Functional analysis (46-XX) 60 Computer science (68-XX) 46 Linear and multilinear algebra; matrix theory (15-XX) 40 General topology (54-XX) 38 Information and communication theory, circuits (94-XX) 35 Global analysis, analysis on manifolds (58-XX) 34 Real functions (26-XX) 34 Statistics (62-XX) 28 Systems theory; control (93-XX) 17 Partial differential equations (35-XX) 15 Approximations and expansions (41-XX) 15 Probability theory and stochastic processes (60-XX) 14 Differential geometry (53-XX) 14 Biology and other natural sciences (92-XX) 12 Dynamical systems and ergodic theory (37-XX) 9 Nonassociative rings and algebras (17-XX) 7 Mathematical logic and foundations (03-XX) 7 Ordinary differential equations (34-XX) 7 Geometry (51-XX) 5 Integral transforms, operational calculus (44-XX) 5 Integral equations (45-XX) 4 Measure and integration (28-XX) 3 General and overarching topics; collections (00-XX) 3 Combinatorics (05-XX) 3 Quantum theory (81-XX) 2 History and biography (01-XX) 2 Functions of a complex variable (30-XX) 2 Sequences, series, summability (40-XX) 2 Algebraic topology (55-XX) 2 Mechanics of deformable solids (74-XX) 2 Optics, electromagnetic theory (78-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Topological groups, Lie groups (22-XX) 1 Potential theory (31-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Difference and functional equations (39-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Abstract harmonic analysis (43-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Relativity and gravitational theory (83-XX) 1 Astronomy and astrophysics (85-XX) 1 Geophysics (86-XX) 1 Mathematics education (97-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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