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This article surveys invariants of four-manifolds and their relation to Donaldson-Witten theory, and other topologically twisted Yang-Mills theories. The article is written for the second edition of the Encyclopedia of Mathematical Physics,…

High Energy Physics - Theory · Physics 2023-12-25 Jan Manschot

The E=mc^2 relationship is not unique to special relativity. Einstein published one exact derivation from special relativity and two approximate derivations that used general extensions to Newtonian mechanics, and an exact derivation is…

General Physics · Physics 2007-05-23 Eric Baird

We establish Poincar\'e embedding results in the relative setting, generalizing previously known results in the absolute case. Our primary motivation comes from applications to non-simply connected Poincar\'e surgery, which will be…

Algebraic Topology · Mathematics 2026-02-24 John R. Klein

We present a solution for the apparent paradox regarding an incompatibility between the Lorentz force law and special relativity presented by Mansuripur [Phys. Rev. Lett. 108, 193901 (2012)]. A connection between the apparent paradox and…

General Physics · Physics 2013-02-25 Pablo L. Saldanha

We give a necessary and sufficient condition for the existence of a local solution of the inverse problem of calculus of variations in terms of the identical vanishing of the variation of a functional on an extended space (with the number…

Differential Geometry · Mathematics 2019-01-08 Theodore Voronov

We provide a broad class of counterexamples to a conjecture of L. de Branges concerning the superfluity of the continuity property in the axiomatic description of de Branges spaces.

Functional Analysis · Mathematics 2025-07-18 Igor Bereza

The paper gives a unified and simple proof of both theorems and Cousin's theorem.

History and Overview · Mathematics 2022-09-27 Claude-Alain Faure

We present a direct derivation of the theorem of M. Maxwell and M. Woodroofe (Ann. Probab. 28 (2000) 713-724), on martingale approximation of additive functionals of stationary Markov processes, from the non-reversible version of the…

Probability · Mathematics 2013-02-19 Balint Toth

General considerations on the Equivalence conjectures and a review of few mathematical results.

Statistical Mechanics · Physics 2022-11-08 Giovanni Gallavotti

The Poincar\'e-Hopf theorem for line fields, as described in a paper of Crowley and Grant, is interpreted as a special case of a Poincar\'e-Hopf theorem for $n$-valued sections of a vector bundle over a closed manifold of the same…

Algebraic Topology · Mathematics 2025-02-28 M. C. Crabb

We consider refined conjectures of Birch and Swinnerton-Dyer type for the Hasse-Weil-Artin L-series of abelian varieties over general number fields. We shall, in particular, formulate several new such conjectures and establish their precise…

Number Theory · Mathematics 2021-10-29 David Burns , Daniel Macias Castillo

We prove two special cases of a strengthened Gaussian correlation conjecture, due to Tehranchi, and show that if the conjecture holds asymptotically, it holds for any dimension. Additionally, we use these special cases to prove a refined…

Functional Analysis · Mathematics 2024-07-23 Rotem Assouline , Arnon Chor , Shay Sadovsky

This paper has been withdrawn by the author because Conjecture 1 is false. Please see arXiv:0901.2093 for a justification that Conjecture 1 is false. The other main results are also available from the above URL.

Logic · Mathematics 2010-12-02 Apoloniusz Tyszka

We prove the Dynamical Bogomolov Conjecture for endomorphisms of P^1\times P^1 defined over a number field. We use the equidistribution theorem for points of small height with respect to an algebraic dynamical system, combined with a…

Number Theory · Mathematics 2016-09-23 Dragos Ghioca , Khoa D. Nguyen , Hexi Ye

In this paper, we study the existence of fixed points for mappings defined on complete (compact) metric space (X, d) satisfying a general contractive (contraction) inequality depended on another function. These conditions are analogous to…

Functional Analysis · Mathematics 2009-03-10 A. Beiranvand , S. Moradi , M. Omid , H. Pazandeh

We extend the relative theory of admissible pairs and $p$-adic Hodge structures introduced in Part II to allow variation in the underlying local systems of $\mathbb{Q}_p$-vector spaces and isocrystals. This extension accommodates, in…

Number Theory · Mathematics 2026-03-25 Sean Howe , Christian Klevdal

Short note by Marcel Brillouin on the representation of the mass point in general relativity.

History and Philosophy of Physics · Physics 2007-05-23 M. Brillouin

We extend the Adler-Manin trace on the algebra of pseudodifferential symbols to a twisted setting.

Quantum Algebra · Mathematics 2011-05-04 Farzad Fathizadeh , Masoud Khalkhali

This note is the follow up to a paper by M. Waldschmidt.

Number Theory · Mathematics 2022-07-11 Igor Nikolaev

We prove several different anti-concentration inequalities for functions of independent Bernoulli-distributed random variables. First, motivated by a conjecture of Alon, Hefetz, Krivelevich and Tyomkyn, we prove some "Poisson-type"…

Combinatorics · Mathematics 2023-06-22 Jacob Fox , Matthew Kwan , Lisa Sauermann
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