Suchergebnisse - convex functions AND convex (programs OR progress) in convex geometry*

  1. 1

    Implementable tensor methods in unconstrained convex optimization von Nesterov, Yurii

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.03.2021
    Veröffentlicht in Mathematical programming (01.03.2021)
    “… In this paper we develop new tensor methods for unconstrained convex optimization, which solve at each iteration an auxiliary problem of minimizing convex multivariate polynomial …”
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    Journal Article
  2. 2

    Dual Prediction-Correction Methods for Linearly Constrained Time-Varying Convex Programs von Simonetto, Andrea

    ISSN: 0018-9286, 1558-2523
    Veröffentlicht: New York IEEE 01.08.2019
    Veröffentlicht in IEEE transactions on automatic control (01.08.2019)
    “… Devising efficient algorithms to solve continuously-varying strongly convex optimization programs is key in many applications, from control systems to signal processing and machine learning …”
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    Journal Article
  3. 3

    Convex projection and convex multi-objective optimization von Kováčová, Gabriela, Rudloff, Birgit

    ISSN: 0925-5001, 1573-2916
    Veröffentlicht: New York Springer US 01.06.2022
    Veröffentlicht in Journal of global optimization (01.06.2022)
    “… In this paper we consider a problem, called convex projection, of projecting a convex set onto a subspace …”
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  4. 4

    Convex Optimization for Parameter Synthesis in MDPs von Cubuktepe, Murat, Jansen, Nils, Junges, Sebastian, Katoen, Joost-Pieter, Topcu, Ufuk

    ISSN: 0018-9286, 1558-2523
    Veröffentlicht: New York IEEE 01.12.2022
    Veröffentlicht in IEEE transactions on automatic control (01.12.2022)
    “… Consequently, parametric MDPs (pMDPs) extend MDPs with transition probabilities that are functions over unspecified parameters …”
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  5. 5

    Chance-constrained programs with convex underlying functions: a bilevel convex optimization perspective von Laguel, Yassine, Malick, Jérôme, van Ackooij, Wim

    ISSN: 0926-6003, 1573-2894
    Veröffentlicht: New York Springer US 01.07.2024
    Veröffentlicht in Computational optimization and applications (01.07.2024)
    “… In this paper, we consider chance constrained programs where the objective function and the constraints are convex with respect to the decision parameter …”
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  6. 6

    From differential equation solvers to accelerated first-order methods for convex optimization von Luo, Hao, Chen, Long

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2022
    Veröffentlicht in Mathematical programming (01.09.2022)
    “… Convergence analysis of accelerated first-order methods for convex optimization problems are developed from the point of view of ordinary differential equation solvers …”
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  7. 7

    Convex Primal Formulations for Convex Hull Pricing With Reserve Commitments von Yu, Yanan, Zhang, Tong, Guan, Yongpei, Chen, Yonghong

    ISSN: 0885-8950, 1558-0679
    Veröffentlicht: New York IEEE 01.05.2021
    Veröffentlicht in IEEE transactions on power systems (01.05.2021)
    “… Convex hull pricing has been introduced recently to increase transparency and reduce uplift payments for the U.S. wholesale markets …”
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  8. 8

    Constrained Online Convex Optimization With Feedback Delays von Cao, Xuanyu, Zhang, Junshan, Poor, H. Vincent

    ISSN: 0018-9286, 1558-2523
    Veröffentlicht: New York IEEE 01.11.2021
    Veröffentlicht in IEEE transactions on automatic control (01.11.2021)
    “… In this article, we study constrained online convex optimization (OCO) in the presence of feedback delays, where a decision maker chooses sequential actions without knowing the loss functions and constraint functions a priori …”
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  9. 9

    Convex Optimization of Integrated Power-Gas Energy Flow Model With Applications to Probabilistic Energy Flow von Jia, Wenhao, Ding, Tao, Huang, Can, Wang, Zekai, Zhou, Quan, Shahidehpour, Mohammad

    ISSN: 0885-8950, 1558-0679
    Veröffentlicht: New York IEEE 01.03.2021
    Veröffentlicht in IEEE transactions on power systems (01.03.2021)
    “… Also, piecewise linearization is adopted to tightly linearize the nonlinear objective function of the model, which transforms the formulated convex optimization into a linear program one …”
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  10. 10

    A Convex Optimization Framework for Active Learning von Elhamifar, Ehsan, Sapiro, Guillermo, Yang, Allen, Sasrty, S. Shankar

    ISSN: 1550-5499
    Veröffentlicht: IEEE 01.12.2013
    “… In many image/video/web classification problems, we have access to a large number of unlabeled samples. However, it is typically expensive and time consuming …”
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    Tagungsbericht Journal Article
  11. 11

    Distributed Algorithms for Robust Convex Optimization via the Scenario Approach von You, Keyou, Tempo, Roberto, Xie, Pei

    ISSN: 0018-9286, 1558-2523
    Veröffentlicht: New York IEEE 01.03.2019
    Veröffentlicht in IEEE transactions on automatic control (01.03.2019)
    “… This paper proposes distributed algorithms to solve robust convex optimization (RCO) when the constraints are affected by nonlinear uncertainty …”
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  12. 12

    Globally minimizing the sum of a convex–concave fraction and a convex function based on wave-curve bounds von Xia, Yong, Wang, Longfei, Wang, Xiaohui

    ISSN: 0925-5001, 1573-2916
    Veröffentlicht: New York Springer US 01.06.2020
    Veröffentlicht in Journal of global optimization (01.06.2020)
    “… We consider the problem of minimizing the sum of a convex–concave function and a convex function over a convex set (SFC …”
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  13. 13

    Superfast Second-Order Methods for Unconstrained Convex Optimization von Nesterov, Yurii

    ISSN: 0022-3239, 1573-2878
    Veröffentlicht: New York Springer US 01.10.2021
    Veröffentlicht in Journal of optimization theory and applications (01.10.2021)
    “… ; Arjevani and Shiff in Math Program 178(1–2):327–360, 2019), which is O k - 7 / 2 . Our progress can be explained by a finer specification of the problem class …”
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  14. 14

    A Convex Approach to Data-Driven Optimal Control via Perron-Frobenius and Koopman Operators von Huang, Bowen, Vaidya, Umesh

    ISSN: 0018-9286, 1558-2523
    Veröffentlicht: New York IEEE 01.09.2022
    Veröffentlicht in IEEE transactions on automatic control (01.09.2022)
    “… The convex formulation relies on the duality result in the dynamical system's stability theory involving density function and Perron-Frobenius operator …”
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  15. 15

    A regularized smoothing method for fully parameterized convex problems with applications to convex and nonconvex two-stage stochastic programming von Borges, Pedro, Sagastizábal, Claudia, Solodov, Mikhail

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2021
    Veröffentlicht in Mathematical programming (01.09.2021)
    “… The value function in question, while resulting from parameterized convex problems, need not be convex …”
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    Journal Article
  16. 16

    Conditional gradient algorithms for norm-regularized smooth convex optimization von Harchaoui, Zaid, Juditsky, Anatoli, Nemirovski, Arkadi

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.08.2015
    Veröffentlicht in Mathematical programming (01.08.2015)
    “… ‖ · ‖ and a smooth convex function f , we want either (1) to minimize the norm over the intersection of the cone and a level set of f , or (2 …”
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    Journal Article
  17. 17

    Semidefinite representation of convex sets von Helton, J. William, Nie, Jiawang

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer-Verlag 01.03.2010
    Veröffentlicht in Mathematical programming (01.03.2010)
    “… Let be a semialgebraic set defined by multivariate polynomials g i ( x ). Assume S is convex, compact and has nonempty interior. Let , and ∂ S (resp …”
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  18. 18

    Distributed Coordination for Nonsmooth Convex Optimization via Saddle-Point Dynamics von Cortés, Jorge, Niederländer, Simon K.

    ISSN: 0938-8974, 1432-1467
    Veröffentlicht: New York Springer US 15.08.2019
    Veröffentlicht in Journal of nonlinear science (15.08.2019)
    “… Our algorithm design builds on the characterization of the solutions of the nonsmooth convex program as saddle points of an augmented Lagrangian …”
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    Journal Article
  19. 19

    VOFTools 5: An extension to non-convex geometries of calculation tools for volume of fluid methods von López, Joaquín, Hernández, Julio, Gómez, Pablo, Zanzi, Claudio, Zamora, Rosendo

    ISSN: 0010-4655, 1879-2944
    Veröffentlicht: Elsevier B.V 01.07.2020
    Veröffentlicht in Computer physics communications (01.07.2020)
    “… We present a major improvement of VOFTools to extend its use to non-convex geometries without the need for costly convex-decomposition techniques …”
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  20. 20

    Set characterizations and convex extensions for geometric convex-hull proofs von Bärmann, Andreas, Schneider, Oskar

    ISSN: 0025-5610, 1436-4646
    Veröffentlicht: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2022
    Veröffentlicht in Mathematical programming (01.09.2022)
    “… In the present work, we consider Zuckerberg’s method for geometric convex-hull proofs introduced in Zuckerberg (Oper Res Lett 44(5):625–629, 2016 …”
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