نتایج جستجو برای: t_1

تعداد نتایج: 183  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده علوم پایه 1391

اگر فضای متری x در فضای متری y چگال باشد، آنگاه فضای y را یک گسترش متری از x گوییم. اگر t_1 و t_2 دو گسترش متری از x باشند و نگاشتی پیوسته از t_2 به t_1 وجود داشته باشد بطوریکه روی x همانی باشد، می نویسیم t_1?t_2. اگر x یک فضای متری نافشرده باشد، آنگاه (m(x),?) مجموعه ی همه ی (کلاس های هم ارزی) گسترش های متری x را مشخص می کند، که در آن t_1 و t_2 معادلند هرگاه t_1?t_2 و t_2?t_1، یعنی اگر یک همان...

Journal: :Discrete and Computational Geometry 2022

We introduce an algorithm for a search of extremal fractal curves in large curve classes. It heavily uses SAT-solvers—heuristic algorithms that find models CNF boolean formulas. Our was implemented and applied to the surjective $$\gamma :[0,1]\rightarrow [0,1]^d$$ with minimal dilation $$\begin{aligned} \sup _{t_1<t_2}\frac{\Vert \gamma (t_2)-\gamma (t_1)\Vert ^d}{t_2-t_1}. \end{aligned}$$ repo...

2007
Margot M E Gosman H Marike Boezen Cleo C van Diemen Jiska B Snoeck-Stroband Thérèse S Lapperre Pieter S Hiemstra Nick H T ten Hacken Jan Stolk Dirkje S Postma

Background: Chronic obstructive pulmonary disease (COPD) is a respiratory disorder with increasing prevalence and mortality. It is associated with airway obstruction, increased airway hyper-responsiveness (AHR), and ongoing airway and lung inflammation dominated by CD8 lymphocytes and neutrophils. Singlenucleotide polymorphisms (SNPs) in a disintegrin and metalloprotease 33 (ADAM33) gene have b...

Journal: :Ikonion journal of mathematics 2021

In the historical development of Riesz spaces, we can trace history ordered vector spaces to International Mathematical Congress in Bologna 1928. Studies related with f-Algebras for Dedekind complete space defined were initiated by Nakano and their current definition was made Amemiya, Birkhoff Pierce.The revival f-algebras, which had a tendency slow down period time, emerged as result Pagter's ...

Journal: :bulletin of the iranian mathematical society 2015
y. liu j. p. wang f. h. liu

in this article, we consider the uniqueness of the difference monomials $f^{n}(z)f(z+c)$. suppose that $f(z)$ and $g(z)$ are transcendental meromorphic functions with finite order and $e_k(1, f^{n}(z)f(z+c))=e_k(1, g^{n}(z)g(z+c))$. then we prove that if one of the following holds (i) $n geq 14$ and $kgeq 3$, (ii) $n geq 16$ and $k=2$, (iii) $n geq 22$ and $k=1$, then $f(z)equiv t_1g(z)$ or $f(...

Journal: :Journal of the London Mathematical Society 2021

We study simply connected Lie groups $G$ for which the hull-kernel topology of primitive ideal space $\text{Prim}(G)$ group $C^*$-algebra $C^*(G)$ is $T_1$, that is, finite subsets are closed. Thus, we prove AF-embeddable. To this end, show if solvable and its action on centre $[G, G]$ has at least one imaginary weight, then no nonempty quasi-compact open subsets. in addition locally compact wi...

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