Results 211 to 220 of about 578,070 (245)

Estimating similarity and distance using FracMinHash. [PDF]

open access: yesAlgorithms Mol Biol
Rahman Hera M, Koslicki D.
europepmc   +1 more source

Fixed-Point Theorems

, 1980
In the theory of zero-sum, two-person games the basic theorem was proved by John von Neumann; he used the Brouwer fixed-point theorem. In the theory of many-person games the basic theorem was proved by J. F. Nash; he also used the Brouwer fixed-point theorem. We will prove Nash’s theorem with the Kakutani fixed-point theorem.
J. Franklin
semanticscholar   +3 more sources

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

New fixed point theorems for set-valued contractions in b-metric spaces

, 2015
In this paper, we indicate a way to generalize a series of fixed point results in the framework of b-metric spaces and we exemplify it by extending Nadler’s contraction principle for set-valued functions (see Nadler, Pac J Math 30:475–488, 1969) and a ...
R. Miculescu, A. Mihail
semanticscholar   +1 more source

Some Fixed Point Theorems [PDF]

open access: possibleThe Annals of Mathematics, 1951
where f, p are continuous, g satisfies a Lipschitz condition, p(t) has period 1, and g(t)/I ? 1 for large t at any rate. Our choice of hypotheses and the main lines of our investigations have been dominated by what is significant in the theory of differential equations, but our results are concerned solely with sets of points and transformations of ...
J. E. Littlewood, M. L. Cartwright
openaire   +3 more sources

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