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相关论文: Counterexamples to a conjecture of Woods

200 篇论文

We refute the conjecture that all negative translations are intuitionistically equivalent by giving two counterexamples. Then we characterise the negative translations intuitionistically equivalent to the usual ones.

逻辑 · 数学 2011-03-22 Jaime Gaspar

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.

综合数学 · 数学 2023-05-16 JinHua Fei

We provide a counterexample to P.~Olver's freeness conjecture for $C^\omega$ transformations.

动力系统 · 数学 2015-09-08 Scot Adams

We prove Stanley's plethysm conjecture for the $2 \times n$ case, which composed with the work of Black and List provides another proof of Foulkes conjecture for the $2 \times n$ case. We also show that the way Stanley formulated his…

组合数学 · 数学 2007-05-23 Pavlo Pylyavskyy

In the paper we complete a case by case proof of Reeder's Conjecture started in our previous work, proving the conjecture for simple Lie algebras of type $D$ and for the exceptional cases.

表示论 · 数学 2021-08-17 Sabino Di Trani

We present a history of the Baum-Connes conjecture, the methods involved, the current status, and the mathematics it generated.

算子代数 · 数学 2019-05-27 Maria Paula Gomez Aparicio , Pierre Julg , Alain Valette

In this paper we give a counterexample to the conjecture: Let $S\in{\rm SInn}$. Then $z\cdot S$ is onto $U$.

复变函数 · 数学 2022-05-26 Ronen Peretz

A conjecture of Hopkins (2018) posits that for certain high-dimensional hypothesis testing problems, no polynomial-time algorithm can outperform so-called "simple statistics", which are low-degree polynomials in the data. This conjecture…

计算复杂性 · 计算机科学 2020-04-21 Justin Holmgren , Alexander S. Wein

In this paper we discuss an obstruction to the integral Hodge conjecture, which arises from certain behavior of vanishing cycles. This allows us to construct new counter-examples to the integral Hodge conjecture. One typical such…

代数几何 · 数学 2019-01-23 Mingmin Shen

A proof of Smale's mean value conjecture from 1981 is given.

复变函数 · 数学 2007-05-23 Gerald Schmieder

An elementary gap in the proof of corollary 2.2 was found, the claim in the first version of the paper is thus retracted.

数论 · 数学 2011-06-10 Thomas Sauvaget

This is a detailed survey on the QWEP conjecture and Connes' embedding problem. Most of contents are taken from Kirchberg's paper [Invent. Math. 112 (1993)].

算子代数 · 数学 2007-05-23 Narutaka Ozawa

We give new proofs on Arnold Chord Conjecture and Weinstein Conjecture in M\times C which generalizes the previous works.

辛几何 · 数学 2007-05-23 Renyi Ma

This paper has been withdrawn by the author, due an error in the proof of Proposion 2.13.

代数几何 · 数学 2007-05-23 Yakov Varshavsky

We present a new proof of Witten's conjecture. The proof is based on the analysis of the relationship between intersection indices on moduli spaces of complex curves and Hurwitz numbers enumerating ramified coverings of the 2-sphere.

代数几何 · 数学 2015-06-26 M. E. Kazarian , S. K. Lando

This paper is cancelled

环与代数 · 数学 2007-11-12 Yucai Su

The purpose of this note is to show by constructing counterexamples that two conjectures of M\'{o}ri and Sz\'{e}kely for the Borel-Cantelli lemma are false.

数论 · 数学 2013-04-03 Chunrong Feng , Liangpan Li

In this paper, we show that the minimal model theory does not hold in characteristic two. More precisely, we construct counter-examples to the relative abundance conjecture.

代数几何 · 数学 2013-12-17 Hiromu Tanaka

Recently Engel et al. (2025) have shown that the integral Hodge conjecture fails for very general abelian varieties. Using Deligne's theory of absolute Hodge cycles, we deduce a similar statement for the integral Tate conjecture.

代数几何 · 数学 2025-09-09 J. S. Milne

In 1975 Stein conjectured that in every $n\times n$ array filled with the numbers $1, \dots, n$ with every number occuring exactly $n$ times, there is a partial transversal of size $n-1$. In this note we show that this conjecture is false…

组合数学 · 数学 2018-05-10 Alexey Pokrovskiy , Benny Sudakov