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The Myhill isomorphism is a variant of the Cantor-Bernstein theorem. It states that, from two injections that reduces two subsets of $\mathbb{N}$ to each other, there exists a bijection $\mathbb{N} \to \mathbb{N}$ that preserves them. This…

Logic · Mathematics 2025-07-08 Cécilia Pradic

We prove, by simple manipulation of commutators, two noncommutative generalizations of the Cauchy-Binet formula for the determinant of a product. As special cases we obtain elementary proofs of the Capelli identity from classical invariant…

Combinatorics · Mathematics 2021-01-01 Sergio Caracciolo , Andrea Sportiello , Alan D. Sokal

In a classical measurement the Shannon information is a natural measure of our ignorance about properties of a system. There, observation removes that ignorance in revealing properties of the system which can be considered to preexist prior…

Quantum Physics · Physics 2009-02-05 Caslav Brukner , Anton Zeilinger

We study generalized means whose domain may contain unbounded sets as well. We investigate usual properties of this type of means and also new attributes that regard for such means only. We examine how a mean defined on bounded sets can be…

Classical Analysis and ODEs · Mathematics 2018-02-27 Attila Losonczi

Given a group $G$, we define suitable 2-categorical structures on the class of all small categories with $G$-actions and on the class of all small $G$-graded categories, and prove that 2-categorical extensions of the orbit category…

Category Theory · Mathematics 2015-11-02 Hideto Asashiba

In arXiv:0709.0483 Gunther and Samsonov outline a ``generalization'' of quantum mechanics that involves simultaneous consideration of Hermitian and non-Hermitian operators and promises to be ``capable to produce effects beyond those of…

Quantum Physics · Physics 2007-09-13 Ali Mostafazadeh

We present a general framework for Bayesian inference of causal effects that delivers provably robust inferences founded on design-based randomization of treatments. The framework involves fixing the observed potential outcomes and forming…

Methodology · Statistics 2025-11-04 Easton Huch , Fred Feinberg , Walter Dempsey

Here we show that herd immunity is not a measure we can implement, trust, control or depend on, and that waiting for herd immunity to play a role is tantamount to hope for the best. Herd immunity is not some protection, as it has been…

Populations and Evolution · Quantitative Biology 2022-09-22 Carlos Hernandez-Suarez

The paper aims to generalize Clausen's identity to the square of any Gauss hypergeometric function. Accordingly, solutions of the related 3rd order linear differential equation are found in terms of certain bivariate series that can reduce…

Classical Analysis and ODEs · Mathematics 2013-10-04 Raimundas Vidunas

This paper gives both a general canonical quantum gravity theory and the general canonical quantum gravity theories of the Universe and general black hole, and discovers the relations reflecting symmetric properties of the standard…

General Physics · Physics 2021-11-19 C. Huang , Yong-Chang Huang , Xinfei Li

We study the relationship between randomness and effective bi-immunity. Greenberg and Miller have shown that for any oracle X, there are arbitrarily slow-growing DNR functions relative to X that compute no ML random set. We show that the…

Logic · Mathematics 2017-09-27 Achilles A. Beros , Mushfeq Khan , Bjørn Kjos-Hanssen

The generalized test ideals introduced in [HY] are related to multiplier ideals via reduction to characteristic p. In addition, they satisfy many of the subtle properties of the multiplier ideals, which in characteristic zero follow via…

Commutative Algebra · Mathematics 2008-06-03 Mircea Mustata , Ken-ichi Yoshida

Categorical probability has recently seen significant advances through the formalism of Markov categories, within which several classical theorems have been proven in entirely abstract categorical terms. Closely related to Markov categories…

Category Theory · Mathematics 2023-04-11 Tobias Fritz , Wendong Liang

The two parallel concepts of "small" sets of the real line are meagre sets and null sets. Those are equivalent to Cohen forcing and Random real forcing for $\aleph^{\aleph_0}_0$; in spite of this similarity, the Cohen forcing and Random…

Logic · Mathematics 2023-08-24 Shani Cohen , Saharon Shelah

The problem of time in canonical quantum gravity is related to the fact that the canonical description is based on the prior choice of a spacelike foliation, hence making a reference to a spacetime metric. However, the metric is expected to…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Ntina Savvidou

A composite quantum system has properties that are incompatible with every property of its parts. The existence of such global properties incompatible with all local properties constitutes what I call "mereological holism"--the distinctive…

Quantum Physics · Physics 2021-02-03 Giacomo Mauro D'Ariano

Using the newly introduced general ordering theorem (GOT) by Sh\"ahandeh and Bazrafkan, we derive and generalize some quantum optical identities and give their applications.

Quantum Physics · Physics 2012-10-09 F. Shähandeh , M. R. Bazrafkan , E. Nahvifard

We give an example of a finite rank, in fact aleph-1 categorical theory where the CBP (canonical base property) does not hold. We include a "group-like" example. We also prove, in a finite Morley rank context, if all definable Galois groups…

Logic · Mathematics 2012-05-29 Ehud Hrushovski , Daniel Palacin , Anand Pillay

We study generic properties of topological groups in the sense of Baire category. First we investigate countably infinite (discrete) groups. We extend a classical result of B. H. Neumann, H. Simmons and A. Macintyre on algebraically closed…

This paper introduces the notion of `commonly knowing whether', a non-standard version of standard common knowledge which is defined on the basis of `knowing whether', instead of standard `knowing that'. After giving five possible…

Logic in Computer Science · Computer Science 2021-02-02 Jie Fan , Davide Grossi , Barteld Kooi , Xingchi Su , Rineke Verbrugge
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