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Let $\mathcal{L}$ and $\mathcal{L}_0$ be the binary codes generated by the column $\mathbb{F}_2$-null space of the incidence matrix of external points versus passant lines and internal points versus secant lines with respect to a conic in…

组合数学 · 数学 2011-04-05 Junhua Wu

Let $\mathcal{O}_E$ be a complete discrete valuation ring and $R$ be a perfect ring in characteristic $p$, we also assume $R$ is a complete valuation ring whose valuation group is of rank one and non-discrete, we prove the Krull dimension…

数论 · 数学 2025-12-19 Heng Du

We give a first-order definition of key polynomials, we show the links with previous definitions, that it is relevant to study key degrees, and to use a kind of valuations that we call partially multiplicative. We also prove or reprove…

交换代数 · 数学 2022-05-19 Gérard Leloup

A valuation theory for superrings is developed, extending classical constructions from commutative algebra to the $\mathbb Z_2$-graded and supercommutative setting. We define valuations on superrings, investigate their fundamental…

环与代数 · 数学 2025-05-16 Pedro Rizzo , Joel Torres del Valle , Alexander Torres-Gomez

The author introduces a conjecture about Makar-Limanov invariants of affine unique factorization domains over a field of characteristic zero. Then the author finds that the conjecture does not always hold when $\mathbbm{k}$ is not…

交换代数 · 数学 2020-10-13 Ziqi Liu

In this talk I will survey some of the basic facts about superstring theories in 10 dimensions and the dualities that relate them to M theory in 11 dimensions. Then I will mention some important unresolved issues.

广义相对论与量子宇宙学 · 物理学 2009-10-31 John H. Schwarz

We prove two conjectures in this paper. The first conjecture is by Lund, Pham and Thu: Given a Borel set $A\subset \mathbb{R}^n$ such that $\dim A\in (k,k+1]$ for some $k\in\{1,\dots,n-1\}$. For $0<s<k$, we have \[ \text{dim}(\{y\in…

经典分析与常微分方程 · 数学 2024-03-04 Paige Bright , Shengwen Gan

We present here some conjectures on the diagonalizability of uniform principal bundles on rational homogeneous spaces, that are natural extensions of classical theorems on uniform vector bundles on the projective space, and study the…

代数几何 · 数学 2025-04-01 Roberto Muñoz , Gianluca Occhetta , Luis E. Solá Conde

Assume that $\mathcal{A}$ is a cochain DG polynomial algebra such that its underlying graded algebra $\mathcal{A}^{#}$ is a polynomial algebra generated by $n$ degree $1$ elements. We determine the DG Krull dimension, the global dimension,…

环与代数 · 数学 2019-04-25 Xuefeng Mao , Maoyun Zhang

We observe algebraic derivations on an affine domain B defined over an algebraically closed field of characteristic 0, which are called locally finite derivations in commutative and non-commutative contexts in other references. We observe…

代数几何 · 数学 2013-03-07 Kayo Masuda , Masayoshi Miyanishi

The log-rank conjecture is one of the fundamental open problems in communication complexity. It speculates that the deterministic communication complexity of any two-party function is equal to the log of the rank of its associated matrix,…

计算复杂性 · 计算机科学 2014-04-01 Shachar Lovett

We study the extraordinary dimension function dim_{L} introduced by \v{S}\v{c}epin. An axiomatic characterization of this dimension function is obtained. We also introduce inductive dimensions ind_{L} and Ind_{L} and prove that for…

一般拓扑 · 数学 2007-05-23 A. Chigogidze

This paper is concerned with the study of the dimension theory of tensor products of algebras over a field $k$. We answer an open problem set in [6] and compute dim$(A\otimes_kB)$ when $A$ is a $k$-algebra arising from a specific pullback…

交换代数 · 数学 2009-02-17 Samir Bouchiba

In this note we sketch a proof of a fundamental conjecture, the codimension-three conjecture, for microdifferential holonomic systems with regular singularities. It states that any regular holonomic E-module extends beyond a…

代数几何 · 数学 2015-12-22 Masaki Kashiwara , Kari Vilonen

We examine connections between rationality of certain indefinite integrals and equilibrium of Coulomb charges in the complex plane.

数学物理 · 物理学 2008-11-26 Igor Loutsenko

We prove that the Krull dimension of the ring of holomorphic functions of a connected complex manifold is at least continuum if it is positive.

交换代数 · 数学 2015-12-31 Michael Kapovich

We interpret Hilbert-Kunz theory of a graded ring of positive characteristic in terms of Frobenius asymptotic of cohomology of vector bundles on projective varieties. With this method we show that for almost all prime numbers there exist…

代数几何 · 数学 2013-05-28 Holger Brenner

We propose a version of the volume conjecture that would relate a certain limit of the colored Jones polynomials of a knot to the volume function defined by a representation of the fundamental group of the knot complement to the special…

几何拓扑 · 数学 2011-11-09 Hitoshi Murakami

We obtain new partial results supporting the spectral set conjecture in dimension 1.

经典分析与常微分方程 · 数学 2007-05-23 I. Laba

For any free partially commutative monoid $M(E,I)$, we compute the global dimension of the category of $M(E,I)$-objects in an Abelian category with exact coproducts. As a corollary, we generalize Hilbert's Syzygy Theorem to polynomial rings…

范畴论 · 数学 2011-04-13 Ahmet A. Husainov