نتایج جستجو برای: in homogeneous index
تعداد نتایج: 17032970 فیلتر نتایج به سال:
the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...
Let F = (Kn,P) be a circulant homogeneous factorisation of index k, that means P is a partition of the arc set of the complete digraph Kn into k circulant factor digraphs such that there exists σ ∈ Sn permuting the factor circulants transitively amongst themselves. Suppose further such an element σ normalises the cyclic regular automorphism group of these circulant factor digraphs, we say F is ...
The consistency of the constraint with the evolution equations for spatially inhomogeneous and irrotational silent (SIIS) models of Petrov type I, demands that the former are preserved along the timelike congruence represented by the velocity of the dust fluid, leading to new non-trivial constraints. This fact has been used to conjecture that the resulting models correspond to the spatially hom...
this exploratory study aimed to investigate a possible relationship between learners’ beliefs about language learning and one of their personality traits; that is,locus of control (loc). both variables, beliefs and locus of control, are assumed to influence the language learning process. the internal control index (ici) and the beliefs about language learning inventory (balli) were administered...
پژوهش های پیشین نشاندهنده اثر ضد ویروسی فراورده های تهیه شده از گیاه سرخارگل و میوه آقطی سیاه بر ویروس های انسانی جنس a و b در محیط کشت سلولی و در شرایط in vitro می باشند. در این تحقیق اثر ضد ویروسی دو عصاره استاندارد شده تجاری echinacea purpurea (ef) و sambucus nigra (sam) در مقایسه با داروی آمانتادین بر ویروس آنفلوانزای پرندگان h9n2 در شرایط in vivo و in vitro بررسی شده است. برای مطالعه اثر...
We prove that a four-dimensional Lorentzian manifold that is curvature homogeneous of order 3, or CH3 for short, is necessarily locally homogeneous. We also exhibit and classify four-dimensional Lorentzian, CH2 manifolds that are not homogeneous. Our results imply that the Singer index for four-dimensional Lorentzian manifolds is greater or equal to 2. PACS numbers: 04.20, 02.40 AMS classificat...
hansen et. al., using the autographix software package, conjectured that the szeged index $sz(g)$ and the wiener index $w(g)$ of a connected bipartite graph $g$ with $n geq 4$ vertices and $m geq n$ edges, obeys the relation $sz(g)-w(g) geq 4n-8$. moreover, this bound would be the best possible. this paper offers a proof to this conjecture.
در این پایان نامه، ابتدا به بررسی روشهای توپولوژیک در سیستمهای دینامیکی می پردازیم تا زمینه بیان موضوعاتی چون اندیس مرس و اندیس کنلی فراهم آید. در ادامه نشان می دهیم که اندیس کنلی تعمیم اندیس مرس است و در حالیکه هر دو تعریف شده باشند. با هم برابرند اما در جاییکه اندیس مرس کارآیی ندارد. اندیس کنلی کارساز است. در پایان مقاله on the discrete conley index in the invariant subspace نوشته andrzej szy...
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