Results 1 to 10 of about 1,116,885 (306)

Fixed point combinators as fixed points of higher-order fixed point generators [PDF]

open access: yesLogical Methods in Computer Science, 2020
Corrado B\"ohm once observed that if $Y$ is any fixed point combinator (fpc), then $Y(\lambda yx.x(yx))$ is again fpc. He thus discovered the first "fpc generating scheme" -- a generic way to build new fpcs from old.
Andrew Polonsky
doaj   +3 more sources

Suspended fixed points

open access: yesNuclear Physics B, 2022
We study the orientifold of the N=1 superconformal field theories describing D3-branes probing the Suspended Pinch Point singularity, as well as the orientifolds of non-chiral theories obtained by a specific orbifold Zn of SPP.
Andrea Antinucci   +3 more
doaj   +5 more sources

On characterizations of fixed points [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
We give some necessary and sufficient conditions for the existence of fixed points of a family of self mappings of a metric space and we establish an equivalent condition for the existence of fixed points of a continuous compact mapping of a metric space.
Zeqing Liu, Lili Zhang, Shin Min Kang
doaj   +4 more sources

Digital fixed points, approximate fixed points, and universal functions

open access: yesApplied General Topology, 2016
A. Rosenfeld [23] introduced the notion of a digitally continuous function between digital images, and showed that although digital images need not have fixed point properties analogous to those of the Euclidean spaces modeled by the images, there often ...
Laurence Boxer   +4 more
doaj   +7 more sources

Fixed Points and Openness [PDF]

open access: bronzeProceedings of the American Mathematical Society, 1961
the importance of the following Problem. Let A : X—*Y be a mapping (not necessarily linear) of a topological space X into a topological space Y. Under what conditions is A (X) open in F? The aim of this paper is to give a particular solution of this problem in the case of mappings A : X—>X of a Banach space X into itself.
M. Reichbach
openalex   +3 more sources

Neutrosophic Soft Fixed Points [PDF]

open access: yesNeutrosophic Sets and Systems, 2020
. In a wide spectrum of mathematical issues, the presence of a fixed point (FP) is equal to the presence of a appropriate map solution. Thus in several fields of math and science, the presence of a fixed point is important.
Madad Khan   +4 more
doaj   +1 more source

Approximate fixed points and fixed points for multi-valued almost E-contractions

open access: yesTopological Algebra and its Applications, 2021
In this paper, we introduce the concept of multi-valued almost E-contractions. We then present some approximate fixed point and fixed point results for such mappings in metric spaces.
Hoc Nguyen Huu
doaj   +1 more source

Fixed point structures [PDF]

open access: yesTransactions of the American Mathematical Society, 1973
A fixed point structure is a triple ( X , P , F ) (X,\mathcal {P},\mathcal {F}) where X is a set, P \mathcal {P} a collection of subsets of X, and F \mathcal {F} a family of multifunctions on X ...
R. E. Smithson, T. B. Muenzenberger
openaire   +3 more sources

Dynamical fixed points in holography

open access: yesJournal of High Energy Physics, 2022
Typically, an interactive system evolves towards thermal equilibrium, with hydrodynamics representing a universal framework for its late-time dynamics.
Alex Buchel
doaj   +1 more source

Home - About - Disclaimer - Privacy