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In this paper, we propose a weak regularity principle which is similar to both weak K\"onig's lemma and Ramsey's theorem. We begin by studying the computational strength of this principle in the context of reverse mathematics. We then…

Logic · Mathematics 2013-02-12 Stephen Flood

In this paper, we study the equivalence between Bogomolov's instability theorem and the Miyaoka-Sakai theorem on surfaces in positive characteristic. We show that Bogomolov's instability theorem can be derived from Miyaoka-Sakai theorem.…

Algebraic Geometry · Mathematics 2026-03-10 Fei Ye , Zhixian Zhu

Weak values are average quantities,therefore investigating their associated variance is crucial in understanding their place in quantum mechanics. We develop the concept of a position-postselected weak variance of momentum as cohesively as…

Quantum Physics · Physics 2015-08-10 M. R. Feyereisen

We study the negative $K$-theory of singular varieties over a field of positive characteristic and in particular, prove the vanishing of $K_i(X)$ for $i < -d-2$ for a $k$-variety of dimension $d$.

Algebraic Geometry · Mathematics 2008-11-04 Amalendu Krishna

In this note, we generalized Berndtsson's result about the Nakano positivity of direct image sheaves to some special singular cases.

Algebraic Geometry · Mathematics 2024-10-22 Yongpan Zou

We state and prove a version of Dyson's Lemma for a product of smooth projective varieties of arbitrary dimension using positivity methods.

Algebraic Geometry · Mathematics 2007-05-23 Markus Wessler

We prove the Kawamata-Viehweg vanishing theorem for a large class of divisors on surfaces in positive characteristic. By using this vanishing theorem, Reider-type theorems and extension theorems of morphisms for normal surfaces are…

Algebraic Geometry · Mathematics 2023-06-22 Makoto Enokizono

In this paper, we strengthen the splitting theorem proved in [14, 15] and provide a different approach using ideas from the weak KAM theory.

Differential Geometry · Mathematics 2018-01-03 Paul W. Y. Lee

We generalize the Generic Vanishing theorem by Hacon and Patakfalvi in the spirit of Pareschi and Popa. We give several examples illustrating the pathologies appearing in the positive characteristic setting.

Algebraic Geometry · Mathematics 2014-04-11 Alan Marc Watson , Yuchen Zhang

Weak radiative hyperon decays present us with a long-standing puzzle, namely the question of validity of a hadron-level theorem proved by Hara. We briefly discuss the conflict between expectations based on Hara's theorem and experiment as…

High Energy Physics - Phenomenology · Physics 2009-10-28 Piotr Zenczykowski

We study the notions of weak partial $b$-metric space and weak partial Hausdorff $b$-metric space. Moreover, we intend to generalize Nadler's theorem in weak partial $b$-metric space by using weak partial Hausdorff $b$-metric spaces. A…

General Topology · Mathematics 2018-11-20 Tanzeela Kanwal , Azhar Hussain

Some connections between the deviation equations and weak equivalence principle are investigated.

General Relativity and Quantum Cosmology · Physics 2007-05-23 Bozhidar Z. Iliev

We give an analytic proof of the Saito vanishing theorem using $L^{2}$-methods, by going back to the original idea for the proof of the Kodaira vanishing theorem.

Algebraic Geometry · Mathematics 2025-10-09 Hyunsuk Kim

The notion of weak measurement provides a formalism for extracting information from a quantum system in the limit of vanishing disturbance to its state. Here we extend this formalism to the measurement of sequences of observables. When…

Quantum Physics · Physics 2009-11-13 Graeme Mitchison , Richard Jozsa , Sandu Popescu

In this short note we give counterexamples to several results related to extension theorems published recently.

Functional Analysis · Mathematics 2013-03-19 Constantin Zalinescu

Let $f:X\rightarrow Y$ be a K\"{a}hler fibration from a complex manifold $X$ to an analytic space $Y$. We show several relative Nadel-type vanishing theorems.

Algebraic Geometry · Mathematics 2026-01-21 Jingcao Wu

In this paper, we give a counter-example, in the general case, Kronecker theorem will derive contradiction. Kronecker theorem be correct after removing some conditions.

General Mathematics · Mathematics 2023-05-16 JinHua Fei

Post-Newtonian theory is considered a reliable effective expansion of General Relativity in the weak-field and slow-motion limit. We argue that such a belief is misplaced. In generic many-body relativistic dynamics, the absence of globally…

General Relativity and Quantum Cosmology · Physics 2026-05-14 Marco Galoppo , Giorgio Torrieri

We present a relatively simple description of binary, definable subsets of models of weakly quasi-o-minimal theories. In particular, we closely describe definable linear orders and prove a weak version of the monotonicity theorem. We also…

Logic · Mathematics 2021-06-01 Slavko Moconja , Predrag Tanović

We introduce a notion of suitable weak solution of the hyperdissipative Navier-Stokes equations and we achieve a corresponding extension of the regularity theory of Caffarelli-Kohn-Nirenberg.

Analysis of PDEs · Mathematics 2017-12-20 Maria Colombo , Camillo De Lellis , Annalisa Massaccesi