Results 11 to 20 of about 5,422,855 (359)
A generalized coincidence point index
Applied General Topology, 2005 The paper is devoted to build for some pairs of continuous single-valued maps a coincidence point index. The class of pairs (f, g) satisfies the condition that f induces an epimorphism of the Cech homology groups with compact supports and coefficients in
N.M. Benkafadar, M.C. Benkara-Mostefa
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Nothing but coincidences: the point-coincidence and Einstein’s struggle with the meaning of coordinates in physics [PDF]
European Journal for Philosophy of Science, 2021 In his 1916 review paper on general relativity, Einstein made the often-quoted oracular remark that all physical measurements amount to a determination of coincidences, like the coincidence of a pointer with a mark on a scale.
Marco Giovanelli
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New Existence Results and Generalizations for Coincidence Points and Fixed Points without Global Completeness [PDF]
Abstract and Applied Analysis, 2013 Some new existence theorems concerning approximate coincidence point property and approximate fixed point property for nonlinear maps in metric spaces without global completeness are established in this paper.
Wei-Shih Du
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New Quasi-Coincidence Point Polynomial Problems [PDF]
Journal of Applied Mathematics, 2013 Let F:ℝ×ℝ→ℝ be a real-valued polynomial function of the form F(x,y)=as(x)ys+as-1(x)ys-1+⋯+a0(x), where the degree s of y in F(x,y) is greater than or equal to 1.
Yi-Chou Chen, Hang-Chin Lai
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A Random Coincidence Point Theorem
Journal of Mathematical Analysis and Applications, 2000 Let \((\Omega ,\Sigma)\) be a measurable space, \(M\) a weakly compact subset of a Banach space \(X\), \(f:\Omega\times M\to M\) and \(T:\Omega\times M\to 2^{M}\) random operators. The main result of this note gives sufficient conditions for the existence of a random coincidence point of \(T\) and \(f\), i.e., a measurable mapping \(\xi:\Omega\to M ...
Shahzad, Naseer, Latif, Abdul
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Fixed point results for weak contractions in partially ordered b-metric space
BMC Research Notes, 2021 Objectives We explore the existence of a fixed point as well as the uniqueness of a mapping in an ordered b-metric space using a generalized $$({\check{\psi }}, \hat{\eta })$$ ( ψ ˇ , η ^ ) -weak contraction.
N. Seshagiri Rao, K. Kalyani, K. Prasad
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BMC Research Notes, 2020 Objectives The aim of this paper is to establish some fixed point, coincidence point and, coupled coincidence and coupled common fixed point results for generalized $$(\phi , \psi )$$ ( ϕ , ψ ) -contractive mappings in partially ordered b-metric spaces ...
Belay Mitiku +2 more
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Note on KKM maps and applications
Fixed Point Theory and Applications, 2006 We apply the KKM technique to study fixed point theory, minimax inequality and coincidence theorem. Some new results on Fan-Browder fixed point theorem, Fan's minimax theorem and coincidence theorem are obtained.
B. S. Lee +3 more
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Algebraic Coincidence Periods Of Self – Maps Of A Rational Exterior Space Of Rank 2
مجلة بغداد للعلوم, 2010 Let f and g be a self – maps of a rational exterior space . A natural number m is called a minimal coincidence period of maps f and g if f^m and g^m have a coincidence point which is not coincidence by any earlier iterates.
Baghdad Science Journal
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Coincidence invariants and higher Reidemeister traces [PDF]
, 2015 The Lefschetz number and fixed point index can be thought of as two different descriptions of the same invariant. The Lefschetz number is algebraic and defined using homology.
Ponto, Kate
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