English

Projections onto hyperbolas or bilinear constraint sets in Hilbert spaces

Optimization and Control 2021-12-07 v1 Numerical Analysis Functional Analysis Numerical Analysis

Abstract

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.

Keywords

Cite

@article{arxiv.2112.02181,
  title  = {Projections onto hyperbolas or bilinear constraint sets in Hilbert spaces},
  author = {Heinz H. Bauschke and Manish Krishan Lal and Xianfu Wang},
  journal= {arXiv preprint arXiv:2112.02181},
  year   = {2021}
}

Comments

16 pages

R2 v1 2026-06-24T08:03:50.822Z