Results 21 to 30 of about 86 (62)

Foundations of matroids Part 2: Further theory, examples, and computational methods [PDF]

open access: yes
In this sequel to "Foundations of matroids - Part 1," we establish several presentations of the foundation of a matroid in terms of small building blocks.
Baker, Matthew   +2 more
core   +1 more source

Universal partial hyperfields of matroids and their prespaces of orderings [PDF]

open access: yes, 2023
We associate a partial hyperfield ⁽⁰⁾(M) with every matroid M by defining an addition on the elements of its inner Tutte group with an additional zero element such that M is representable over ⁽⁰⁾(M), and every representation of M over a partial ...
Hoya, Marcel
core  

Conditional Erlangen Program [PDF]

open access: yes
This thesis is concerned with combinatorial structures that arise in the axiomatization of notions of independence, in particular conditional independence among random variables.
Chen, Xiangying
core   +1 more source

Contemporary Coding Theory [PDF]

open access: yes, 2019
Coding Theory naturally lies at the intersection of a large number of disciplines in pure and applied mathematics. A multitude of methods and means has been designed to construct, analyze, and decode the resulting codes for communication.

core   +2 more sources

Residually small varieties and commutator theory. [PDF]

open access: yes, 2000
Thesis (M.Sc.)-University of Natal, Durban, 2000.Chapter 0 In this introductory chapter, certain notational and terminological conventions are established and a summary given of background results that are needed in subsequent chapters ...
Swart, Istine Rodseth.
core  

The Theorem of Totten for planar spaces [PDF]

open access: yes, 1995
It is shown that an irreducible planar space S with v points and π planes such that n3 ≤ v < (n + 1)3 and π ≤ v + n2 + n for some integer n ≥ 4 exists iff n is a prime power and S either can be embedded in P G(3, n), or S is the affine space AG(3, n ...
K. METSCH
core  

Unsolved Problems in Group Theory. The Kourovka Notebook

open access: yes, 2020
This is a collection of open problems in group theory proposed by hundreds of mathematicians from all over the world. It has been published every 2-4 years in Novosibirsk since 1965.
Khukhro, E. I., Mazurov, V. D.
core  

2016 Oklahoma Research Day Full Program [PDF]

open access: yes, 2016
This document contains all abstracts from the 2016 Oklahoma Research Day held at Northeastern State ...
Northeastern State University
core   +1 more source

Generalized Four-Dimensional Effective Hadronic Supersymmetry Based on Quantum Chromodynamics (QCD)

open access: yes, 2020
New discovery in multiple laboratories around the globe has shown a supersymmetry between hadrons—baryons and mesons. In order to generalize the phenomenological hadronic supersymmetry, the spin-flavor SU(6) symmetry need an extension.
Yu, Enxi
core  

A Classification of the flag-transitive $2$-$(v,k,2)$ designs

open access: yes
In this paper, we provide a complete classification of $2$-$(v,k,2)$ design admitting a flag-transitive automorphism group of affine type with the only exception of the semilinear $1$-dimensional group.
Liang, Hongxue, Montinaro, Alessandro
core  

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