Results 51 to 60 of about 77,930 (235)

On the universal regular homomorphism in codimension  2 [PDF]

, 2021
Bruno Kahn
openalex   +1 more source

Families of singular algebraic varieties that are rationally elliptic spaces

Mathematische Nachrichten, Volume 299, Issue 1, Page 214-223, January 2026.
Abstract We discuss families of hypersurfaces with isolated singularities in projective space with the property that the sum of the ranks of the rational homotopy and the homology groups is finite. They represent infinitely many distinct homotopy types with all hypersurfaces having a nef canonical or anti‐canonical class.
A. Libgober
wiley   +1 more source

The Codimension-Three conjecture for holonomic DQ-modules [PDF]

, 2014
We prove an analogue for holonomic DQ-modules of the codimension-three conjecture for microdifferential modules recently proved by Kashiwara and Vilonen.
Petit, Francois
core   +1 more source

FTheoryTools: Advancing Computational Capabilities for F‐Theory Research

Fortschritte der Physik, Volume 74, Issue 1, January 2026.
Abstract A primary goal of string phenomenology is to identify realistic four‐dimensional physics within the landscape of string theory solutions. In F‐theory, such solutions are encoded in the geometry of singular elliptic fibrations, whose study often requires particularly challenging and cumbersome computations.
Martin Bies, Miķelis E. Miķelsons, Andrew P. Turner   +2 more
wiley   +1 more source

Codimension one and codimension two bifurcations analysis of discrete mussel-algae model

AIMS Mathematics
In this paper, a continuous mussel-algae model was discretized using the explicit Euler method, yielding a discrete mussel-algae interaction model. Within this work, the stability and bifurcations of a discrete mussel-algae model were studied. First, the
Qingkai Xu, Chunrui Zhang, Xingjian Wang
doaj   +1 more source

Relative defects in relative theories: Trapped higher-form symmetries and irregular punctures in class S

SciPost Physics, 2022
A relative theory is a boundary condition of a higher-dimensional topological quantum field theory (TQFT), and carries a non-trivial defect group formed by mutually non-local defects living in the relative theory.
Lakshya Bhardwaj, Simone Giacomelli, Max Hübner, Sakura Schäfer-Nameki
doaj   +1 more source

An augmentation of the phase space of the system of type A^{(1)}_4

, 2004
We investigate the differential system with affine Weyl group symmetry of type A^{(1)}_4 and construct a space which parametrizes all meromorphic solutions of it.
Tahara, Nobuhiko
core   +2 more sources

A Survey of SIR‐Based Differential Epidemic Models for Control and Security Against Malware Propagation in Computer Networks

SECURITY AND PRIVACY, Volume 9, Issue 1, January/February 2026.
ABSTRACT Unarguably, malware and their variants have metamorphosed into objects of attack and cyber warfare. These issues have directed research focus to modeling infrastructural settings and infection scenarios, analyzing propagation mechanisms, and conducting studies that highlight optimized remedial measures.
Chukwunonso Henry Nwokoye
wiley   +1 more source

Codimension-Two Grazing Bifurcations in Three-Degree-of-Freedom Impact Oscillator with Symmetrical Constraints

Discrete Dynamics in Nature and Society, 2015
This paper investigates the codimension-two grazing bifurcations of a three-degree-of-freedom vibroimpact system with symmetrical rigid stops since little research can be found on this important issue.
Qunhong Li, Pu Chen, Jieqiong Xu
doaj   +1 more source

Codimension one Fano distributions on Fano manifolds

, 2017
In this paper we investigate codimension one Fano distributions on Fano manifolds with Picard number one. We classify Fano distributions of maximal index on complete intersections in weighted projective spaces, Fano contact manifolds, Grassmannians of ...
Araujo, Carolina, Corrêa, Maurício, Massarenti, Alex   +2 more
core   +1 more source