3 papers
math.DS2024
Orientation Preserving Homeomorphisms of the Plane having BP-Chain Recurrent Points
Jiehua Mai, Kesong Yan, Fanping Zeng
More than a century ago, L. E. J. Brouwer proved a famous theorem, which says that any orientation preserving homeomorphism of the plane having a periodic point must have a fixed p…
math.DS2024
Some extensions of the Brouwer fixed point theorem
Jiehua Mai, Enhui Shi, Kesong Yan +1
We study the existence of fixed points for continuous maps from an -ball in to with . We show that has a fixed point if, for som…
math.DS2023
Structures of for graph maps
Jiehua Mai, Enhui Shi, Kesong Yan +1
Let be a graph and be a continuous map. We establish a structure theorem which describes the structures of the set , where and…