Числа разложения групп $\hat{\mathcal {J}}_2$ и $\text{Aut}(\mathcal {J}_2)$

А.С. Кондратьев

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Displaying similar documents to “Числа разложения групп ${\hat{𝒥}}_{2}$ и $Aut (𝒥_{2})$ ”

Минимальные подстановочные представления конечных простых исключительных групп типа $E_{6}$ , $E_{7}$ , и $E_{8}$ .

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Распознавание по множеству порядков элементов знакопеременных групп степени $r + 1$ и $r + 2$ для простого $r$ и группы степени

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Группа автотопизмов полуполевой $p$ -примитивной плоскости порядка $p^{4}$ .

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Пример теории без слабо ( $Σ$ , $Σ$ )-атомных моделей.

С.А. Чихачёв (1984)

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С.А. Гурченков (1984)

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Расшерения абелевых $2$ -групп с помощью $L_{2} (q)$ с неприводимым действием

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О частично упорядоченных множествах 1-степеней, содержащихся в рекурсивно-перечислимых $m$ -степенях

А.Н. Дегтев (1976)

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Characterization of automorphisms of Radford's biproduct of Hopf group-coalgebra

Xing Wang, Daowei Lu, Ding-Guo Wang (2024)

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We study certain subgroups of the Hopf group-coalgebra automorphism group of Radford’s $π$ -biproduct. Firstly, we discuss the endomorphism monoid ${End}_{π -Hopf} (A \times H, p)$ and the automorphism group ${Aut}_{π -Hopf} (A \times H, p)$ of Radford’s $π$ -biproduct $A \times H = {A \times H_{α}}_{α \in π}$ , and prove that the automorphism has a factorization closely related to the factors $A$ and $H = {H_{α}}_{α \in π}$ . What’s more interesting is that a pair of maps $(F_{L}, F_{R})$ can be used to describe a family of mappings $F = {F_{α}}_{α \in π}$ . Secondly, we consider the relationship between the automorphism group ${Aut}_{π -Hopf} (A \times H, p)$ and the automorphism group...

On a sequence formed by iterating a divisor operator

Bellaouar Djamel, Boudaoud Abdelmadjid, Özen Özer (2019)

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Let $ℕ$ be the set of positive integers and let $s \in ℕ$ . We denote by $d^{s}$ the arithmetic function given by $d^{s} (n) = {(d (n))}^{s}$ , where $d (n)$ is the number of positive divisors of $n$ . Moreover, for every $ℓ, m \in ℕ$ we denote by $δ^{s, ℓ, m} (n)$ the sequence $\underset{m -times}{\underset{︸}{d^{s} (d^{s} (... d^{s} (d^{s} (n) + ℓ) + ℓ ...) + ℓ)}} = \{\begin{matrix} d^{s} (n) & for m = 1, \\ d^{s} (d^{s} (n) + ℓ) & for m = 2, \\ d^{s} (d^{s} (d^{s} (n) + ℓ) + ℓ) & for m = 3, \\ ⋮ \end{matrix}$ We present classical and nonclassical notes on the sequence ${(δ^{s, ℓ, m} (n))}_{m \geq 1}$ , where $ℓ$ , $n$ , $s$ are understood as parameters.

On Kneser solutions of the $n$ -th order nonlinear differential inclusions

Martina Pavlačková (2019)

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The paper deals with the existence of a Kneser solution of the $n$ -th order nonlinear differential inclusion $\begin{matrix} x^{(n)} (t) \in - A_{1} (t, x (t), ..., x^{(n - 1)} (t)) x^{(n - 1)} (t) - ... - A_{n} (t, x (t), ..., & x^{(n - 1)} (t)) x (t) \\ for a.a. t \in [a, \infty), \end{matrix}$ where $a \in (0, \infty)$ , and $A_{i} : [a, \infty) \times ℝ^{n} \to ℝ$ , $i = 1, ..., n,$ are upper-Carathéodory mappings. The derived result is finally illustrated by the third order Kneser problem.

Относительные дополнения в $94_{2}^{0}$ -степенях по перечислимости

И.Ш. Калимуллин (2000)

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Persistence of Coron’s solution in nearly critical problems

Monica Musso, Angela Pistoia (2007)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

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We consider the problem $\{\begin{matrix} - Δ u = u^{\frac{N + 2}{N - 2} + λ} & in Ω ∖ ε ω, \\ u > 0 & in Ω ∖ ε ω, \\ u = 0 & on \partial (Ω ∖ ε ω), \end{matrix}$ where $Ω$ and $ω$ are smooth bounded domains in $ℝ^{N}$ , $N \geq 3$ , $ε > 0$ and $λ \in ℝ .$ We prove that if the size of the hole $ε$ goes to zero and if, simultaneously, the parameter $λ$ goes to zero at the appropriate rate, then the problem has a solution which blows up at the origin.

$Σ$ -предикаты конечных типов над допустимым множеством

Ю.Л. Ершов (1985)

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The group of automorphisms of $L_{\infty}$ is algebraically reflexive

Félix Cabello Sánchez (2004)

Studia Mathematica

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We study the reflexivity of the automorphism (and the isometry) group of the Banach algebras $L_{\infty} (μ)$ for various measures μ. We prove that if μ is a non-atomic σ-finite measure, then the automorphism group (or the isometry group) of $L_{\infty} (μ)$ is [algebraically] reflexive if and only if $L_{\infty} (μ)$ is *-isomorphic to $L_{\infty} [0, 1]$ . For purely atomic measures, we show that the group of automorphisms (or isometries) of $ℓ_{\infty} (Γ)$ is reflexive if and only if Γ has non-measurable cardinal. So, for most “practical” purposes, the automorphism...

Displaying similar documents to “Числа разложения групп 𝒥 ^ 2 и Aut ( 𝒥 2 ) ”

Displaying similar documents to “Числа разложения групп ${\hat{𝒥}}_{2}$ и $Aut (𝒥_{2})$ ”