English

Fixed Point Theorems for Upper Semicontinuous Set-valued Mappings in $p$-Vector Spaces

Functional Analysis 2023-04-13 v2

Abstract

The goal of this paper is to establish a general fixed point theorem for compact single-valued continuous mapping in Hausdorff p-vector spaces, and the fixed point theorem for upper semicontinuous set-valued mappings in Hausdorff locally p-convex for p in (0, 1]. These new results provide an answer to Schauder conjecture in the affirmative under the setting of general p-vector spaces for compact single-valued continuous, and also give the fixed point theorems for upper semicontinuous set-valued mappings defined on s-convex subsets in Hausdorff locally p-convex spaces, which would be fundamental for nonlinear functional analysis in mathematics, where s,p in (0.1].

Keywords

Cite

@article{arxiv.2303.07177,
  title  = {Fixed Point Theorems for Upper Semicontinuous Set-valued Mappings in $p$-Vector Spaces},
  author = {George Xianzhi Yuan},
  journal= {arXiv preprint arXiv:2303.07177},
  year   = {2023}
}

Comments

13 pages; no figures. arXiv admin note: substantial text overlap with arXiv:2210.10286

R2 v1 2026-06-28T09:14:18.530Z