Projections onto hyperbolas or bilinear constraint sets in Hilbert spaces

被引:1
|
作者
Bauschke, Heinz H. [1 ]
Lal, Manish Krishan [1 ]
Wang, Xianfu [1 ]
机构
[1] Univ British Columbia, Dept Math, Kelowna, BC V1V 1V7, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Bilinear constraint set; Hyperbola; Orthogonal projection; Nonconvex minimization; Prox-regularity;
D O I
10.1007/s10898-022-01247-8
中图分类号
C93 [管理学]; O22 [运筹学];
学科分类号
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要
Sets of bilinear constraints are important in various machine learning models. Mathematically, they are hyperbolas in a product space. In this paper, we give a complete formula for projections onto sets of bilinear constraints or hyperbolas in a general Hilbert space.
引用
收藏
页码:25 / 36
页数:12
相关论文
共 50 条
  • [41] ITERATIONS OF PARALLEL CONVEX PROJECTIONS IN HILBERT-SPACES
    COMBETTES, PL
    PUH, H
    NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION, 1994, 15 (3-4) : 225 - 243
  • [42] Polynomial estimates for the method of cyclic projections in Hilbert spaces
    Simeon Reich
    Rafał Zalas
    Numerical Algorithms, 2023, 94 : 1217 - 1242
  • [43] On angles between convex sets in Hilbert spaces
    Bauschke, Heinz H.
    Ouyang, Hui
    Wang, Xianfu
    JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2021, 502 (01)
  • [44] On Constant Width Sets in Hilbert Spaces and Around
    Caspani, L.
    Papini, P. L.
    JOURNAL OF CONVEX ANALYSIS, 2015, 22 (03) : 889 - 900
  • [45] Fractal image coding as projections onto convex sets
    Ebrahimi, Mehran
    Vrscay, Edward R.
    IMAGE ANALYSIS AND RECOGNITION, PT 1, 2006, 4141 : 493 - 506
  • [47] Differentiability Properties of Metric Projections onto Convex Sets
    Alexander Shapiro
    Journal of Optimization Theory and Applications, 2016, 169 : 953 - 964
  • [48] On Lipschitz Continuity of Projections onto Polyhedral Moving Sets
    Bednarczuk, Ewa M.
    Rutkowski, Krzysztof E.
    APPLIED MATHEMATICS AND OPTIMIZATION, 2021, 84 (02): : 2147 - 2175
  • [49] On Differentiability of Metric Projections onto Moving Convex Sets
    Darinka Dentcheva
    Annals of Operations Research, 2001, 101 : 283 - 298
  • [50] On Lipschitz Continuity of Projections onto Polyhedral Moving Sets
    Ewa M. Bednarczuk
    Krzysztof E. Rutkowski
    Applied Mathematics & Optimization, 2021, 84 : 2147 - 2175