Search Results - "METRIC spaces"

Improved Guarantees for the A Priori TSP.

Authors: Blauth, Jannis Neuwohner, Meike Puhlmann, Luise et al.

Source: Mathematics of Operations Research. Nov2025, Vol. 50 Issue 4, p2909-2940. 32p.

Subject Terms: *TRAVELING salesman problem, *STATISTICAL sampling, *APPROXIMATION theory, METRIC spaces, DETERMINISTIC algorithms

On the Metricity of the Chatterjee Correlation Coefficient.

Authors: Chierichetti, Flavio Giacchini, Mirko Kumar, Ravi

Source: American Statistician. Oct2025, p1-8. 8p. 3 Illustrations.

Subject Terms: *STATISTICAL correlation, *QUANTITATIVE research, METRIC spaces, HYPOTHESIS, MATHEMATICAL functions

Monotone Picard Maps in Relational Metric Spaces.

Authors: Turinici, Mihai¹ (AUTHOR)

Source: Mathematics (2227-7390). Nov2025, Vol. 13 Issue 21, p3518. 15p.

Subject Terms: *METRIC spaces, *FIXED point theory, *QUASI-metric spaces

Hypothesis testing for two sample comparison of non Euclidean network data.

Authors: Feng, Han Qiu, Xing Miao, Hongyu

Source: Communications in Statistics: Theory & Methods. Jul2025, p1-31. 31p. 7 Illustrations.

Subject Terms: *STATISTICAL hypothesis testing, *EMPIRICAL research, METRIC spaces, COMMUNICATION network analysis, PAIRED comparisons (Mathematics), ASYMPTOTIC expansions

Existence and uniqueness of best proximity point in non-Archimedean neutrosophic complete metric space.

Authors: Unni, A. Sreelakshmi Pragadeeswarar, V.

Source: Neutrosophic Sets & Systems. 2025, Vol. 91, p793-811. 19p.

Subject Terms: *METRIC spaces, *EXISTENCE theorems

Neutrosophic Triplet Growth Model for Moral-Linguistic Competence in College English Teaching Reform under Moral Education and Talent Cultivation.

Authors: Liu, Jianguo Liu, Ruohan

Source: Neutrosophic Sets & Systems. 2025, Vol. 91, p716-725. 10p.

Subject Terms: *METRIC spaces, *MORAL education, *CURRICULUM change, *ENGLISH language, *LINGUISTICS education

NEUMANN PROBLEMS FOR p-HARMONIC FUNCTIONS, AND INDUCED NONLOCAL OPERATORS IN METRIC MEASURE SPACES.

Authors: CAPOGNA, LUCA KLINE, JOSH KORTE, RIIKKA et al.

Source: American Journal of Mathematics. Dec2025, Vol. 147 Issue 6, p1653-1711. 59p.

Subject Terms: *NEUMANN problem, *METRIC spaces, *HARMONIC functions, *STABILITY theory, *OPERATOR functions, *EXISTENCE theorems

Absolutely minimal semi–Lipschitz extensions.

Authors: Daniilidis, Aris Lê, Trí Minh Venegas, Francisco M.

Source: Calculus of Variations & Partial Differential Equations. Dec2025, Vol. 64 Issue 9, p1-25. 25p.

Subject Terms: *QUASI-metric spaces, *MATHEMATIC morphism

Fine Pólya-Szegő rearrangement inequalities in metric spaces and applications.

Authors: Nobili, Francesco Violo, Ivan Yuri

Source: Calculus of Variations & Partial Differential Equations. Dec2025, Vol. 64 Issue 9, p1-56. 56p.

Subject Terms: *METRIC spaces, *SOBOLEV spaces, *VARIATIONAL principles, *MATHEMATICAL inequalities, *ISOPERIMETRIC inequalities, *MATHEMATICAL bounds

A Neutrosophic Triplet Partial Bipolar Metric Framework for Quantifying AI-Generated Digital Media Content Quality.

Authors: Shiming Ma Shan Lu Quansheng Liu

Source: Neutrosophic Sets & Systems. 2025, Vol. 90, p622-635. 14p.

Subject Terms: *METRIC spaces, *ARTIFICIAL intelligence, *FUZZY systems, *PERCEIVED quality, *CONTRADICTION

Fixed Point Theorems for Multivalued Mappings in Neutrosophic Fuzzy Metric Spaces.

Authors: Dinesh, K. Suganya, R. Priya, V. Banu et al.

Source: Neutrosophic Sets & Systems. 2025, Vol. 90, p1-6. 6p.

Subject Terms: *METRIC spaces, *SET-valued maps, *CONES, *AMBIGUITY

Geometric bounds for persistence.

Authors: Balitskiy, Alexey Coskunuzer, Baris Mémoli, Facundo

Source: Transactions of the American Mathematical Society. Dec2025, Vol. 378 Issue 12, p8437-8486. 50p.

Subject Terms: *METRIC geometry, *METRIC spaces, *TIME, *TOPOLOGICAL property

Quasiconformal almost parametrizations of metric surfaces.

Authors: Meier, Damaris Wenger, Stefan

Source: Journal of the European Mathematical Society (EMS Publishing). 2025, Vol. 27 Issue 12, p5133-5154. 22p.

Subject Terms: *HARMONIC maps, *METRIC spaces, *GEODESICS, *QUASICONFORMAL mappings

FIXED POINTS OF GENERALIZED φ-QUASI CONTRACTION MAPS.

Authors: Babu, G. V. R. Mounika, P.

Source: Matematicki Vesnik. Dec2025, Vol. 77 Issue 4, p309-320. 12p.

Subject Terms: *FIXED point theory, *METRIC spaces, *MATHEMATICS theorems, *UNIQUENESS (Mathematics)

Some Generalizations of Banach'S Contraction Principle Via Hermite–Hadamard Inequalities.

Authors: Rakočević, Vladimir Samet, Bessem

Source: Mathematical Methods in the Applied Sciences. 11/30/2025, Vol. 48 Issue 17, p15928-15935. 8p.

Subject Terms: *FIXED point theory, *METRIC spaces, *MATHEMATICAL functions, *CONVEX functions, *CONVEX domains, *CONCAVE functions

On the spaceability of the sets of norm‐attaining Lipschitz functions.

Authors: Choi, Geunsu Jung, Mingu Lee, Han Ju et al.

Source: Mathematische Nachrichten. Nov2025, p1. 28p.

Subject Terms: *METRIC spaces, *LIPSCHITZ continuity, *LIPSCHITZ spaces, *BANACH spaces, *ISOMETRICS (Mathematics)

Analysis of Fixed Point Theorems for Contractive Mappings in Complex-Valued Neutrosophic Metric Spaces and Their Application.

Authors: Pandiselvi, Muniyasamy Jeyaraman, Mathuraiveeran Jafari, Saeid et al.

Source: Neutrosophic Sets & Systems. 2025, Vol. 86, p523-540. 18p.

Subject Terms: *METRIC spaces, *FREDHOLM equations, *MATHEMATICAL analysis, *INTEGRAL equations, *APPLIED sciences

[formula omitted]-embeddability under the edge-gluing operation on some nonbipartite graphs.

Authors: Wang, Guangfu Li, Chenyang

Source: Discrete Applied Mathematics. Nov2025, Vol. 375, p79-84. 6p.

Subject Terms: *COMPLETE graphs, *METRIC spaces, *COCKTAIL parties, *GLUE

Generalized fractional integral operators on Musielak–Orlicz–Morrey spaces of an integral form over metric measure spaces.

Authors: Ohno, Takao Shimomura, Tetsu

Source: Mathematische Nachrichten. Nov2025, p1. 28p.

Subject Terms: *INTEGRAL operators, *METRIC spaces, *MATHEMATICAL functions, *SOBOLEV spaces

On common fixed point via inverse Ck-class functions in partially E-cone metric spaces.

Authors: Meitei, M. Solomon Singh, L. Shambhu Singh, T. Chhatrajit

Source: Fixed Point Theory & Algorithms for Sciences & Engineering. 11/5/2025, Vol. 2025 Issue 1, p1-28. 28p.

Subject Terms: *FIXED point theory, *METRIC spaces, *UNIQUENESS (Mathematics), *MATHEMATICAL functions