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It is demonstrated that, unless the meaning of conformal transformations for the underlying geometrical structure is discussed on a same footing as it is done for the equations of the given gravity theory, the notion of "conformal…

General Relativity and Quantum Cosmology · Physics 2011-08-18 Israel Quiros , Ricardo Garcia-Salcedo , Jose Edgar Madriz Aguilar

We extend almost everywhere convergence in Wiener-Wintner ergodic theorem for $\sigma$-finite measure to a generally stronger almost uniform convergence and present a larger, universal, space for which this convergence holds. We then extend…

Functional Analysis · Mathematics 2020-03-25 Vladimir Chilin , Semyon Litvinov

The Wigner's theorem, which is one of the cornerstones of the mathematical formulation of quantum mechanics, asserts that every symmetry of quantum system is unitary or anti-unitary. This classical result was first given by Wigner in 1931.…

Operator Algebras · Mathematics 2018-02-27 Wenhua Qian , Liguang Wang , Wenming Wu , Wei Yuan

We show that the BF theory in any space-time dimension, when quantized in a certain linear covariant gauge, possesses a vector supersymmetry. The generator of the latter together with those of the BRS transformations and of the translations…

High Energy Physics - Theory · Physics 2009-10-22 C. Lucchesi , O. Piguet , S. P. Sorella

The theory of holomorphic functions of several complex variables is applied in proving a multidimensional variant of a theorem involving an exponential boundedness criterion for the classical moment problem. A theorem of Petersen concerning…

Quantum Physics · Physics 2009-11-07 Anatolij Dvurecenskij , Pekka Lahti , Kari Ylinen

Assuming the Bousso bound, we prove a singularity theorem: if the light rays entering a hyperentropic region contract, then at least one light ray must be incomplete. "Hyperentropic" means that the entropy of the region exceeds the…

High Energy Physics - Theory · Physics 2022-06-22 Raphael Bousso , Arvin Shahbazi-Moghaddam

We prove that the Cuntz-Pimsner algebra O(E) of a vector bundle E over a compact metrizable space X is determined up to an isomorphism of C(X)-algebras by the ideal (1-[E])K(X) of the K-theory ring K(X). Moreover, if E and F are vector…

Operator Algebras · Mathematics 2010-04-27 Marius Dadarlat

We study a weighted version of Carleman's inequality via Carleman's original approach. As an application of our result, we prove a conjecture of Bennett.

Classical Analysis and ODEs · Mathematics 2007-06-19 Peng Gao

We analyse the issue of uniqueness of solutions of the static vacuum Einstein equations with prescribed geometric or Bartnik boundary data. Large classes of examples are constructed where uniqueness fails. We then discuss the implications…

General Relativity and Quantum Cosmology · Physics 2011-03-08 Michael T. Anderson , Marcus A. Khuri

We prove a limit theorem for quantum stochastic differential equations with unbounded coefficients which extends the Trotter-Kato theorem for contraction semigroups. From this theorem, general results on the convergence of approximations…

Mathematical Physics · Physics 2008-05-08 Luc Bouten , Ramon van Handel , Andrew Silberfarb

We study holomorphic functions attaining weighted norms and its connections with the classical theory of norm attaining holomorphic functions. We prove that there are polynomials on $\ell_p$ which attain their weighted but not their…

Functional Analysis · Mathematics 2022-06-23 Sheldon Dantas , Rubén Medina

The paper considers a class of linear Boltzmann transport equations which models a charged particle transport. The equation is an approximation of the original exact transport equation which involves hyper-singular integrals in their…

Analysis of PDEs · Mathematics 2024-09-04 Jouko Tervo

We introduce a simple calculus, extending a variant of the Steenbrink spectrum, for describing Hodge-theoretic invariants of (smoothings of) isolated singularities with (relative) automorphisms. After computing these "eigenspectra" in the…

Algebraic Geometry · Mathematics 2024-02-21 Ben Castor , Haohua Deng , Matt Kerr , Gregory Pearlstein

We study certain toric Gorenstein varieties with isolated singularities which are the quotient spaces of generic unimodular representations by the one-dimensional torus, or by the product of the one-dimensional torus with a finite abelian…

Algebraic Geometry · Mathematics 2024-11-28 Xiaojun Chen , Leilei Liu , Jieheng Zeng

In this note, we derive some consequences of the von Neumann algebra uniqueness theorems developed in a previous paper (see arXiv:1207.6741v1). In particular, 1) we solvein a paper of Futamura, Kataoka, and Kishimoto, by proving that if A…

Operator Algebras · Mathematics 2012-08-02 Thierry Giordano , Ping W. Ng

We present a new approach to Davie's theorem on the uniqueness of solutions to the equation $dX_t = b(t, X_t)\,dt + dW_t$ for almost all Brownian paths. A generalization of this result and a discussion of some close problems are given.

Probability · Mathematics 2014-01-22 Alexander Shaposhnikov

We give a proof of the conjecture by Belavin, Bershtein and Tarnopolsky, which claims that a bosonization of singular vectors of $N=1$ super Virasoro algebra can be identified with Uglov (Jack $\mathfrak{gl}_p$) symmetric functions with…

Quantum Algebra · Mathematics 2015-08-26 Shintarou Yanagida

It is be shown that the sequence of Bernstein polynomials for a function of several variables converges to this function uniformly along with every partial derivative of any order, provided that the latter derivative is well defined and…

Probability · Mathematics 2016-10-18 Alexander Veretennikov , Evguenia Veretennikova

We prove the existence and uniqueness up to translations of the solution to a Minkowski type problem for the torsional rigidity in the class of open bounded convex subsets of the $n$-dimensional Euclidean space. For the existence part we…

Analysis of PDEs · Mathematics 2008-09-29 A. Colesanti , M. Fimiani

We consider a class of nonlinear elliptic problems associated with models in biophysics, which are described by the Poisson-Boltzmann equation (PBE). We prove mathematical correctness of the problem, study a suitable class of…

Numerical Analysis · Mathematics 2020-12-15 Johannes Kraus , Svetoslav Nakov , Sergey Repin
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