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Strassen's asymptotic rank conjecture [Progr. Math. 120 (1994)] claims a strong submultiplicative upper bound on the rank of a three-tensor obtained as an iterated Kronecker product of a constant-size base tensor. The conjecture, if true,…

数据结构与算法 · 计算机科学 2023-10-19 Andreas Björklund , Petteri Kaski

A long-standing conjecture of Zsolt Tuza asserts that the triangle covering number $\tau(G)$ is at most twice the triangle packing number $\nu(G)$, where the triangle packing number $\nu(G)$ is the maximum size of a set of edge-disjoint…

组合数学 · 数学 2020-07-10 Patrick Bennett , Ryan Cushman , Andrzej Dudek

We give a short proof that Strassen's asymptotic rank conjecture implies that for every $\varepsilon > 0$ there exists a $(3/2^{2/3} + \varepsilon)^n$-time algorithm for set cover on a universe of size $n$ with sets of bounded size. This…

计算复杂性 · 计算机科学 2023-11-07 Kevin Pratt

The AdS-CFT correspondence is established as a re-assignment of localization to the observables which is consistent with locality and covariance.

高能物理 - 理论 · 物理学 2007-05-23 K. -H. Rehren

In his article "Transcending Classical Invariant Theory" (J.A.M.S., 1989, Vol 2), Roger Howe established a correspondence between representations of a dual pair of reductive groups. This correspondence is known as Howe's correspondence or…

表示论 · 数学 2007-05-23 Hongyu He

In a primitive integral Apollonian circle packing, the curvatures that appear must fall into one of six or eight residue classes modulo 24. The local-global conjecture states that every sufficiently large integer in one of these residue…

数论 · 数学 2024-09-09 Summer Haag , Clyde Kertzer , James Rickards , Katherine E. Stange

We revisit methods of proof of the Adams Conjecture in order to correct and supplement earlier efforts to prove analogous conjectures in the stable homotopy category. We utilize simplicial schemes over an algebraically closed field of…

代数拓扑 · 数学 2026-01-16 Eric M. Friedlander

For a real group $G$, it is known from the work of Kostant and Vogan that the L-packet associated with an L-parameter $\varphi$ of $G$ contains a \emph{generic} representation if and only if the ${}^{\vee}G$-orbit in the variety of…

表示论 · 数学 2025-10-31 Nicolas Arancibia Robert

This article is part of a project which aims to describe as explicitly as possible the Arthur packets of classical real groups and to prove a multiplicity one result for them. Let $G$ be a symplectic or special orthogonal real group, and…

表示论 · 数学 2017-07-19 Colette Moeglin , David Renard

The results of several papers concerning the \v{C}ern\'y conjecture are deduced as consequences of a simple idea that I call the averaging trick. This idea is implicitly used in the literature, but no attempt was made to formalize the proof…

形式语言与自动机理论 · 计算机科学 2010-05-11 Benjamin Steinberg

Packing graphs is a combinatorial problem where several given graphs are being mapped into a common host graph such that every edge is used at most once. In the planar tree packing problem we are given two trees T1 and T2 on n vertices and…

计算几何 · 计算机科学 2016-03-28 Markus Geyer , Michael Hoffmann , Michael Kaufmann , Vincent Kusters , Csaba D. Tóth

In linear disordered systems Anderson localization makes any wave packet stay localized for all times. Its fate in nonlinear disordered systems is under intense theoretical debate and experimental study. We resolve this dispute showing that…

无序系统与神经网络 · 物理学 2015-05-30 M. V. Ivanchenko , T. V. Laptyeva , S. Flach

We survey Vojta's higher-dimensional generalizations of the $abc$ conjecture and Szpiro's conjecture as well as recent developments that apply them to various problems in arithmetic dynamics. In particular, the "$abcd$ conjecture" implies a…

数论 · 数学 2024-04-24 Robin Zhang

We prove that if $T_1,\dots, T_n$ is a sequence of bounded degree trees so that $T_i$ has $i$ vertices, then $K_n$ has a decomposition into $T_1,\dots, T_n$. This shows that the tree packing conjecture of Gy\'arf\'as and Lehel from 1976…

组合数学 · 数学 2019-03-14 Felix Joos , Jaehoon Kim , Daniela Kühn , Deryk Osthus

Numerical simulations show that, at the onset of Anderson localization, the momentum distribution of a coherent wave packet launched inside a random potential exhibits, in the forward direction, a novel interference peak that complements…

量子气体 · 物理学 2012-11-20 T. Karpiuk , N. Cherroret , K. L. Lee , B. Grémaud , C. A. Müller , C. Miniatura

We obtain, under an additional assumption on the subanalytic abnormal distribution constructed in [4], a proof of the minimal rank Sard conjecture in the analytic category. It establishes that from a given point the set of points accessible…

微分几何 · 数学 2025-01-14 A Belotto da Silva , A Parusiński , L Rifford

We prove in this paper that every $p$-local compact group is approximated by transporter systems over finite $p$-groups. To do so, we use unstable Adams operations acting on a given $p$-local compact group and study the structure of…

代数拓扑 · 数学 2012-01-17 Alex Gonzalez

In this note we give a short proof of Godbersen's conjecture for the class of locally anti-blocking bodies. We show that all equality cases amongst locally anti-blocking bodies are for simplices, further supporting the conjecture. The proof…

度量几何 · 数学 2025-01-10 Shay Sadovsky

We relate the Andrews-Curtis conjecture to the triviality problem for balanced presentations of groups using algorithms from 3-manifold topology. Implementing this algorithm could lead to counterexamples to the Andrews-Curtis conjecture.

群论 · 数学 2007-05-23 Siddhartha Gadgil

In this paper, various Homological Conjectures are studied for local rings which are locally finitely generated over a discrete valuation ring $V$ of mixed characteristic. Typically, we can only conclude that a particular Conjecture holds…

交换代数 · 数学 2007-06-13 Hans Schoutens