English
Related papers

Related papers: Hemisystems of small flock generalized quadrangles

200 papers

This paper describes a type of infinitary computer (a hypercomputer) capable of computing truth in initial levels of the set theoretic universe, V. The proper class of such hypercomputers is called a universal hypercomputer. There are two…

Logic · Mathematics 2019-05-13 Andrew Powell

The goal is to make a global study of the family QsnSN of all real quadratic polynomial differential systems which have a finite semi-elemental saddle-node and an infinite saddle-node formed by the collision of two infinite singular points.…

Dynamical Systems · Mathematics 2023-11-20 Joan C. Artés , Alex C. Rezende , Regilene D. S. Oliveira

We initiate the study of convex geometry over ordered hyperfields. We define convex sets and halfspaces over ordered hyperfields, presenting structure theorems over hyperfields arising as quotients of fields. We prove hyperfield analogues…

Metric Geometry · Mathematics 2025-09-24 James Maxwell , Ben Smith

Different families of generalized CS for one-dimensional systems with general time dependent quadratic Hamiltonian are constructed. In principle, all known CS of systems with quadratic Hamiltonian are members of these families. Some of the…

Quantum Physics · Physics 2021-06-04 V. G. Bagrov , D. M. Gitman , A. S. Pereira

We determine the central extensions of a whole family of Lie algebras, obtained by the method of graded contractions from so(N+1), N arbitrary. All the inhomogeneous orthogonal and pseudo-orthogonal algebras are members of this family, as…

q-alg · Mathematics 2008-11-26 J. A. de Azcarraga , F. J. Herranz , J. C. Perez Bueno , M. Santander

Some constructions and bounds on the sizes of semiovals contained in the Hermitian curve are given. A construction of an infinite family of 2-blocking sets of the Hermitian curve is also presented.

Combinatorics · Mathematics 2015-05-13 Daniele Bartoli , Gyorgy Kiss , Stefano Marcugini , Fernanda Pambianco

We describe general methods for enumerating subsemigroups of finite semigroups and techniques to improve the algorithmic efficiency of the calculations. As a particular application we use our algorithms to enumerate all transformation…

Group Theory · Mathematics 2017-03-02 James East , Attila Egri-Nagy , James D. Mitchell

An algorithm for quantum computing Hamiltonian cycles of simple, cubic, bipartite graphs is discussed. It is shown that it is possible to evolve a quantum computer into an entanglement of states which map onto the set of all possible paths…

Quantum Physics · Physics 2007-05-23 T. Rudolph

In this paper the theorems that determine composition laws for both cardinal ordering permutations and their inverses are proven. So, the relative positions of points in a hs-periodic orbit become completely known as well as in which order…

Chaotic Dynamics · Physics 2015-05-13 Jesus San Martin , Ma. Jose Moscoso , A. Gonzalez Gomez

In this paper we present several multipartite quantum systems featuring the same type of genuine (tripartite) entanglement. Based on a geometric interpretation of the so-called $|W\rangle$ and $|GHZ\rangle$ states we show that the…

Mathematical Physics · Physics 2016-02-17 Frédéric Holweck , Péter Lévay

In this short note we construct two families of examples of large stratifying systems in module categories of algebras. The first examples consists on stratifying systems of infinite size in the module category of an algebra $A$. In the…

Representation Theory · Mathematics 2022-06-22 Hipolito Treffinger

In this paper we present the complete classification of caps in PG(4,2). These results have been obtained using a computer based exhaustive search that exploits projective equivalence.

Combinatorics · Mathematics 2012-03-06 Daniele Bartoli , Stefano Marcugini , Fernanda Pambianco

The main results of this paper are generalizations some classical theorems about transversals for families of finite sets to some cases of families of infinite sets.

Combinatorics · Mathematics 2020-08-10 G. R. Chelnokov , V. L. Dol'nikov

In this paper we introduce a new approach for organizing algebras of global dimension at most 2. We introduce the notion of cluster equivalence for these algebras, based on whether their generalized cluster categories are equivalent. We are…

Representation Theory · Mathematics 2012-03-08 Claire Amiot , Steffen Oppermann

In this paper, we summarize the work on the characterization of finite simple groups and the study on finite groups with the set of element orders and two orders (the order of group and the set of element orders). Some related topics, and…

Group Theory · Mathematics 2024-08-27 Wujie Shi

A linear group G on a finite vector space V, (that is, a subgroup of GL(V)) is called (1/2)-transitive if all the G-orbits on the set of nonzero vectors have the same size. We complete the classification of all the (1/2)-transitive linear…

Group Theory · Mathematics 2014-12-15 Martin W. Liebeck , Cheryl E. Praeger , Jan Saxl

We find some sufficient conditions for a system of partial derivatives of an entire function to be complete in the space $H(\mathbb{C}^d)$ of all entire functions of $d$ variables. As an appliation of this result we describe new classes of…

Complex Variables · Mathematics 2014-10-21 Vitaly E. Kim

In this article, three types of joins are introduced for subspaces of a vector space. Decompositions of the Gra{\ss}mannian into joins are discussed. This framework admits a generalization of large set recursion methods for block designs to…

Combinatorics · Mathematics 2025-10-02 Michael Braun , Michael Kiermaier , Axel Kohnert , Reinhard Laue

We discuss some basic tools for an analysis of one-dimensionalquantum systems defined on a cyclic coordinate space. The basic features of the generalized coherent states, the complexifier coherent states are reviewed. These states are then…

Quantum Physics · Physics 2008-11-26 B. Bahr , H. J. Korsch

Regular chains and triangular decompositions are fundamental and well-developed tools for describing the complex solutions of polynomial systems. This paper proposes adaptations of these tools focusing on solutions of the real analogue:…

Symbolic Computation · Computer Science 2010-05-17 Changbo Chen , James H. Davenport , John P. May , Marc Moreno Maza , Bican Xia , Rong Xiao
‹ Prev 1 3 4 5 6 7 10 Next ›