Results 1 to 10 of about 386,092 (314)

Partially Ordered Group of the 2×2 Symmetric Matrices [PDF]

open access: yesInPrime, 2019
This paper deals with the partially ordered group of the 2×2 symmetric matrices. A matrix is defined to be a positive if each entry of the matrix is positive. With the characterization of the 2×2 symmetric matrix, we construct the positive cone such that
Irmatul Hasanah
doaj   +3 more sources

On the Embedding of Ordered Semigroups into Ordered Group [PDF]

open access: yesCzechoslovak Mathematical Journal, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ibrahim, Mohammed Ali Faya
openaire   +3 more sources

Periodic Ordered Permutation Groups and Cyclic Orderings [PDF]

open access: yesJournal of Combinatorial Theory, Series B, 1995
It is shown that periodic ordered permutation groups satisfying certain extra conditions are very nearly simple. This is applied to several natural examples, such as the following. (i) If \(z\) denotes the map \(x \mapsto x + 1\) on \(\mathbb{R}\), and \(\text{Diff}(\mathbb{R})\) is the group of diffeomorphisms of \(\mathbb{R}\), then \(C_{\text{Diff}(\
Manfred Droste   +2 more
openaire   +3 more sources

Metric spaces related to Abelian groups

open access: yesApplied General Topology, 2021
When working with a metric space, we are dealing with the additive group (R, +). Replacing (R, +) with an Abelian group (G, ∗), offers a new structure of a metric space. We call it a G-metric space and the induced topology is called the G-metric topology.
Amir Veisi, Ali Delbaznasab
doaj   +1 more source

Sums and products of intervals in ordered semigroups

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2021
We show a simple example for ordered semigroup 𝕊 = 𝕊 (+,⩽) that 𝕊 ⊆ℝ (ℝ denotes the real line) and ]a, b[ + ]c, d[ = ]a + c, b + d[ for all a, b, c, d ∈ 𝕊 such that a < b and c < d, but the intervals are no translation invariant, that is, the equation c +
Glavosits T., Karácsony Zs.
doaj   +1 more source

When ${\rm Min}(G)^{-1}$ has a clopen $øldpi$-base [PDF]

open access: yesMathematica Bohemica, 2021
It is our aim to contribute to the flourishing collection of knowledge centered on the space of minimal prime subgroups of a given lattice-ordered group. Specifically, we are interested in the inverse topology. In general, this space is compact and $T_1$,
Ramiro Lafuente-Rodriguez   +1 more
doaj   +1 more source

A classification of hull operators in archimedean lattice-ordered groups with unit [PDF]

open access: yesCategories and General Algebraic Structures with Applications, 2020
The category, or class of algebras, in the title is denoted by $\bf W$. A hull operator (ho) in $\bf W$ is a reflection in the category consisting of $\bf W$ objects with only essential embeddings as morphisms.
Ricardo E. Carrera, Anthony W. Hager
doaj   +1 more source

Group constraint relations for five-point amplitudes in gauge theories with SO(N) and Sp(2N) groups

open access: yesNuclear Physics B, 2021
Linear constraint relations among loop-order five-point color-ordered amplitudes in SO(N) and Sp(2N) gauge theories are derived with the group-theoretic method. These constrains are derived up to four-loop order.
Jia-Hui Huang
doaj   +1 more source

On monotonic bijections on subgroups of R

open access: yesApplied General Topology, 2016
We show that for any continuous monotonic  bijection $f$ on a $\sigma$-compact subgroup  $G\subset \mathbb R$ there exists a binary operation $+_f$ such that $\langle G, +_f\rangle$  is a topological group topologically isomorphic to $\langle G, +\rangle$
Raushan Buzyakova
doaj   +1 more source

The order of a group of even order [PDF]

open access: yesProceedings of the American Mathematical Society, 2007
We will give an estimation of the order of a group of even order by the order of the centralizer of an involution using the classification of finite simple groups.
openaire   +1 more source

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