نتایج جستجو برای: k epsilon
تعداد نتایج: 387854 فیلتر نتایج به سال:
We prove that there exist k in and 0 < epsilon in such that every non-abelian finite simple group G, which is not a Suzuki group, has a set of k generators for which the Cayley graph Cay(G; S) is an epsilon-expander.
The reconfiguration graph $R_k(G)$ of the $k$-colourings of a graph~$G$ has as vertex set the set of all possible $k$-colourings of $G$ and two colourings are adjacent if they differ on exactly one vertex. We give a short proof of the following theorem of Bousquet and Perarnau (\emph{European Journal of Combinatorics}, 2016). Let $d$ and $k$ be positive integers, $k \geq d + 1$. For every $\eps...
Abstract We prove that there exists a constant $\epsilon&gt; 0$ with the following property: if $K \subset {\mathbb {R}}^2$ is compact set contains no pair of form $\{x, x + (z, z^{2})\}$ for $z \neq 0$, then $\dim _{\textrm {H}} K \leq 2 - \epsilon $.
The aim of this paper is to introduce the notions of ($epsilon, epsilon vee q$)-fuzzy p-ideals, ($epsilon, epsilon vee q$)-fuzzy q-ideals and ($epsilon, epsilon vee q$)-fuzzy a-ideals in BCIalgebras and to investigate some of their properties. Several characterizationtheorems for these generalized fuzzy ideals are proved and the relationshipamong these generalized fuzzy ideals of BCI-algebras i...
In the present paper, we prove that generalized Riemann hypothesis for Dirichlet L-function $$L(s,\chi )$$ is equivalent to following bound: Let $$k \ge 1$$ and $$\ell $$ be positive real numbers. For any $$\epsilon >0$$ , have $$\begin{aligned} \sum _{n=1}^{\infty } \frac{\chi (n) \mu (n)}{n^{k}} \exp \left( - \frac{ x}{n^{\ell }}\right) = O_{\epsilon ,k,\ell \bigg (x^{-\frac{k}{\ell }+\frac{1...
در مطالعه حاضر یک مدل عددی جهت کنترل بازدهی رسوب شویی در مخزن سدها ارائه میشود که در آن میدان جریان و بار معلق جامد شبیه سازی گردیدهاند. این مدل، یک مدل سه بعدی است که در آن معادلات حرکت (معادلات متوسط گیری شده ناویر-استوکس) همراه با معادله انتقال رسوب حل میگردند. در این مدل، از روش استاندارد برای مدل سازی آشفتگی استفاده شده است. مزیت اصلی مدل عددی حاضر استفاده از روش ریز شدن مش یا به ا...
The DEAR (DAPhiNE exotic atom research) experiment measured the energy of x rays emitted in the transitions to the ground state of kaonic hydrogen. The measured values for the shift epsilon and the width Gamma of the 1s state due to the K(-)p strong interaction are epsilon(1s)=-193 +/- 37 (stat) +/- 6 (syst) eV and Gamma(1s)=249 +/- 111 (stat) +/- 30 (syst) eV, the most precise values yet obtai...
Let $K$ be a subgroup of finite group $G$ . The probability that an element commutes with is denoted by $Pr(K,G)$ Assume $Pr(K,G)\geq \epsilon$ for some fixed $\epsilon >0$ We show there normal $T\leq G$ and $B\leq K$ such the indices $[G:T]$ $[K:B]$ order commutator $[T,B]$ are $\epsilon$ -bounded. This extends well-known theorem, due to P. M. Neumann, covers case where $K=G$ deduce number ...
In this article we study the asymptotic behavior of small eigenvalues Riemann surfaces for large genus. We show that any positive integer $k$, as genus $g$ goes to infinity, smallest $k$-th eigenvalue in thick part moduli space is uniformly comparable $\frac{1}{g^2}$ $g$. proof upper bound, constant $\epsilon>0$, will construct a closed surface $\epsilon$-thick such it admits pants decompositio...
In the capacitated k-median (CKM) problem, we are given a set F of facilities, each with a capacity, a set C of clients, a metric d over F ∪ C and an integer k. The goal is to open k facilities in F and connect the clients C to the open facilities subject to the capacity constraints, so as to minimize the total connection cost. In this paper, we give a constant approximation for CKM, by violati...
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