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In this article, we show that the algebraic degree in semidefinite programming can be expressed in terms of the coefficient of a certain monomial in a doubly symmetric polynomial. This characterization of the algebraic degree allows us to…

代数几何 · 数学 2023-09-04 Dang Tuan Hiep , Nguyen Thi Ngoc Giao , Nguyen Thi Mai Van

We study the dynamics of polynomial mappings f:C^k to C^k of degree at least 2 that extend continuously to projective space P^k. Our approach is to study the dynamics near the hyperplane at infinity and then making a descent to K --- the…

动力系统 · 数学 2007-05-23 Eric Bedford , Mattias Jonsson

In this manuscript we systematically review known results of local dynamics of discrete local holomorphic dynamics near fixed points in one and several complex variables as well as the consequences in global dynamics.

复变函数 · 数学 2023-09-13 Josias Reppekus

We establish a homotopy-theoretic description of the homology of stable moduli spaces of $(2n+1)$-dimensional manifold triads $(N, \partial^h N, \partial^v N)$ with fixed $\partial^v N$, whenever $n \geq 3$ and $(N, \partial^h N)$ is…

代数拓扑 · 数学 2025-10-22 João Lobo Fernandes

We study the complexity of holomorphic isometries and proper maps from the complex unit ball to type IV classical domains. We investigate on degree estimates of holomorphic isometries and holomorphic maps with minimum target dimension. We…

复变函数 · 数学 2016-09-27 Ming Xiao , Yuan Yuan

A monotone self-mapping of the nonnegative orthant induces a monotone discrete-time dynamical system which evolves on the same orthant. If with respect to this system the origin is attractive then there must exists points whose image under…

数值分析 · 数学 2010-05-06 Björn S. Rüffer , Fabian R. Wirth

We give elementary applications of quasi-homomorphisms to growth problems in groups. A particular case concerns the number of torsion elements required to factorise a given element in the mapping class group of a surface.

群论 · 数学 2007-05-23 D. Kotschick

Monocular 3D human pose and shape estimation is challenging due to the many degrees of freedom of the human body and thedifficulty to acquire training data for large-scale supervised learning in complex visual scenes. In this paper we…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Andrei Zanfir , Eduard Gabriel Bazavan , Hongyi Xu , Bill Freeman , Rahul Sukthankar , Cristian Sminchisescu

It is shown that textures in 3+1 dimensions can be stabilized by partial gauging (semilocality) of the vacuum manifold such that topological unwinding by a gauge transformation is not possible. This introduction of gauge fields can be used…

高能物理 - 唯象学 · 物理学 2009-10-31 L. Perivolaropoulos

A monomial algebra is the quotient of a polynomial algebra by an ideal generated by monomials. We prove that finite-dimensional monomial algebras are characterized by their automorphism group among finite-dimensional, local algebras with…

交换代数 · 数学 2026-05-13 Roberto Díaz , Giancarlo Lucchini Arteche

Skew pentagram maps act on polygons by intersecting diagonals of different lengths. They were introduced by Khesin-Soloviev in 2015 as conjecturally non-integrable generalizations of the pentagram map, a well-known integrable system. In…

动力系统 · 数学 2025-12-12 Max Weinreich

It is proved that vertical graphs and radial graphs are strongly stable for a certain type of densities in Euclidean space ${\mathbb R}^{n+1}$. Particular cases of these densities include translators, expanders and singular minimal…

微分几何 · 数学 2025-05-05 Rafael López

We present an algorithmic method for the calculation of the degrees of the iterates of birational mappings, based on Halburd's method for obtaining the degrees from the singularity structure of the mapping. The method uses only integer…

可精确求解与可积系统 · 物理学 2025-01-13 Basil Grammaticos , Alfred Ramani , Adrian Stefan Carstea , Ralph Willox

Functionals of spatial point process often satisfy a weak spatial dependence condition known as stabilization. In this paper we prove process level moderate deviation principles (MDP) for such functionals, which are a level-3 result for…

概率论 · 数学 2007-05-23 Peter Eichelsbacher , Tomasz Schreiber

A growth mechanism for a perfect one-dimensional (1D) quasiperiodic structure is presented with a local covering rule. We use rectangular tiles with two different types of string decorations. The string position in a tile is allowed to move…

数学物理 · 物理学 2008-01-24 Hyeong-Chai Jeong

We propose a conjecture on the existence of a specialization map for derived categories of smooth proper varieties modulo semi-orthogonal decompositions, and verify it for K3 surfaces and abelian varieties.

代数几何 · 数学 2018-10-09 Xiaowen Hu

Consistency models have been proposed for fast generative modeling, achieving results competitive with diffusion and flow models. However, these methods exhibit inherent instability and limited reproducibility when training from scratch,…

机器学习 · 计算机科学 2026-02-02 Youngjoong Kim , Duhoe Kim , Woosung Kim , Jaesik Park

This study examines the tree models of mildly dissipative diffeomorphisms on the disk $\D$. These models are one-dimensional dynamical systems with ergodic aperiodic data as well as some properties of the original dynamics. The focus of…

动力系统 · 数学 2024-04-10 Javier Correa , Elizabeth Flores

The dimensions of certain varieties defined by monomials are computed using only high school algebra.

代数几何 · 数学 2021-01-06 Melvyn B. Nathanson

We construct algorithms and topological invariants that allow us to distinguish the topological type of a surface, as well as functions and vector fields for their topological equivalence. In the first part (arXiv:2501.15657), we discused…

几何拓扑 · 数学 2025-02-17 Alexandr Prishlyak