Results 271 to 280 of about 834,629 (316)

Rigidity of Stratospheric Travelling Waves. [PDF]

open access: yesCommun Math Phys
Constantin A, Shao H, Zhu H.
europepmc   +1 more source

Almost automorphic and bijective factors of substitution shifts. [PDF]

open access: yesMon Hefte Math
Bustos-Gajardo A   +2 more
europepmc   +1 more source

On a fixed-point theorem

Functional Analysis and Its Applications, 1996
This note has discussed three fixed point theorems for mappings \(T:H\times H\to H\), where \(H\) is a suitable subset of a metric or normed linear space, satisfying certain conditions. Only indications of the proofs are given. The first two theorems are proved with the help of a theorem due to \textit{M. Edelstein} [J. Lond. Math. Soc. 37, 74-79 (1962;
Tran Quoc Binh, Nguyen Minh Chuong
openaire   +3 more sources

A fixed point theorem

Archiv der Mathematik, 1997
We prove a fixed point theorem for the action of a Lie group \(G\) acting isometrically on a non-negatively curved Riemannian manifold with principal orbits which are isotropy irreducible homogeneous spaces. We refine our result when the curvature is positive and give a possible application to the study of immersions of homogeneous spaces into spheres.
openaire   +3 more sources

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