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Related papers: A simplified proof of a Lee-Yang type theorem

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Using nonstandard analysis, an intuitive and very short proof of the Radon-Nikodym theorem is provided

Logic · Mathematics 2026-05-12 Takashi Matsunaga

This paper provides a rigorous and gap-free proof of the index theorem used in the theory of regular economy. In the index theorem that is the subject of this paper, the assumptions for the excess demand function are only several usual…

Theoretical Economics · Economics 2023-06-27 Yuhki Hosoya

We give a very simple proof of a strengthened version of Chernoff's Inequality. We derive the same conclusion from much weaker assumptions.

Probability · Mathematics 2014-04-01 Nathan Linial , Zur Luria

A Yang-Mills theory in a purely symplectic framework is developed. The corresponding Euler-Lagrange equations are derived and first integrals are given. We relate the results to the work of Bourgeois and Cahen on preferred symplectic…

Symplectic Geometry · Mathematics 2007-05-23 Katharina Habermann , Lutz Habermann , Paul Rosenthal

This paper establishes an abstract Korovkin-type approximation theorem in general spaces, extending the framework of approximation theory to accommodate broader contexts. A critical result supporting this theorem is the proof that any…

Functional Analysis · Mathematics 2025-09-03 Dilek Söylemez , Mehmet Ünver

Utilizing the techniques recently developed for N=1 super Yang-Mills theories by Dijkgraaf, Vafa and collaborators, we derive the linearity principle of Intriligator, Leigh and Seiberg, for the confinement phase of the theories with…

High Energy Physics - Theory · Physics 2009-11-07 Yuji Tachikawa

A simple proof of the weighted two variable geometric-arithmetic a mean inequality based on one given earlier valid only for integer weights

Classical Analysis and ODEs · Mathematics 2007-05-23 P. S. Bullen

In this work we state a Theorem on number theory and apply it to solve some ordinary and partial differential equations.

General Mathematics · Mathematics 2021-02-25 B. M. Cerna Maguiña , D. D. Lujerio Garcia

In this exposition we give a simple and complete treatment of A. Knutson and T. Tao's recent proof (http://front.math.ucdavis.edu/math.RT/9807160) of the saturation conjecture, which asserts that the Littlewood-Richardson semigroup is…

Combinatorics · Mathematics 2007-05-23 Anders S. Buch

We study generalized Lie bialgebroids over a single point, that is, generalized Lie bialgebras. Lie bialgebras are examples of generalized Lie bialgebras. Moreover, we prove that the last ones can be considered as the infinitesimal…

Differential Geometry · Mathematics 2007-05-23 D. Iglesias , J. C. Marrero

In this short note a new proof of the monotone con- vergence theorem of Lebesgue integral on \sigma-class is given.

Functional Analysis · Mathematics 2011-12-16 Dinh Trung Hoa

We give an arithmetical proof of the strong normalization of the $\lambda$-calculus (and also of the $\lambda\mu$-calculus) where the type system is the one of simple types with recursive equations on types. The proof using candidates of…

Logic · Mathematics 2009-05-08 René David , Karim Nour

In this short note we give a proof of Liouville's theorem (every bounded entire complex function is constant) following Peterzil and Starchenko's approach to complex analysis via o-minimality.

Logic · Mathematics 2017-12-21 Pablo Cubides Kovacsics

For lattice systems of statistical mechanics satisfying a Lee-Yang property (i.e., for which the Lee-Yang circle theorem holds), we present a simple proof of analyticity of (connected) correlations as functions of an external magnetic field…

Mathematical Physics · Physics 2017-08-15 Jürg Fröhlich , Pierre-François Rodriguez

In the present work a new simple proof of the theorem of Gallagher about the average of the singular series in the Hardy-Littlewood prime k-tuple conjecture is proved (in an even stronger form) which is uniform with respect to k (if the…

Number Theory · Mathematics 2010-04-08 Janos Pintz

This note presents a simple proof of the characteristic function of Student's $t$-distribution. The method of proof, which involves finding a differential equation satisfied by the characteristic function, is applicable to many other…

Statistics Theory · Mathematics 2019-12-04 Robert E. Gaunt

This paper is an announcement of the minimal model theory for log surfaces in all characteristics and contains some related results including a simplified proof of the Artin-Keel contraction theorem in the surface case.

Algebraic Geometry · Mathematics 2012-05-14 Osamu Fujino , Hiromu Tanaka

A version of Paley-Wiener like theorem for connected, simply connected nilpotent Lie groups is proven.

funct-an · Mathematics 2008-02-03 Vladimir V. Kisil

The proofs first generated by automated theorem provers are far from optimal by any measure of simplicity. In this paper I describe a technique for simplifying automated proofs. Hopefully this discussion will stimulate interest in the…

Logic in Computer Science · Computer Science 2021-01-19 Michael Kinyon

We give a new proof of the sharp form of Young's inequality for convolutions, first proved by Beckner [Be] and Brascamp-Lieb [BL]. The latter also proved a sharp reverse inequality in the case of exponents less than $1$. Our proof is…

Functional Analysis · Mathematics 2016-09-07 Franck Barthe