نتایج جستجو برای: parameterized by a curvature

تعداد نتایج: 14898719  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

this thesis attempts to study the representations of the third-world intellectuals in three fictional works by the british-educated trinidadian nobel-winner v. s. naipaul: the mimic men, a bend in the river, and magic seeds. the first one recounts the story of ralph singh’s sense of alienation, his experiences as a colonial politician, and his struggle to give order to his disorderly world thro...

Journal: :Physical review 2021

We have studied the induced one-loop energy-momentum tensor of a massive complex scalar field within framework nonperturbative quantum electrodynamics (QED) with uniform electric background on Poincar\'e patch two-dimensional de Sitter spacetime ($\mathrm{dS_{2}}$). also consider direct coupling to Ricci curvature which is parameterized by an arbitrary dimensionless nonminimal constant. evaluat...

Journal: :Electronic Proceedings in Theoretical Computer Science 2018

Journal: :Calculus of Variations and Partial Differential Equations 2022

Vertex scaling of piecewise linear metrics on surfaces introduced by Luo (Commun Contemp Math 6: 765–780, 2004) is a straightforward discretization smooth conformal structures surfaces. Combinatorial $$\alpha $$ -curvature for vertex Gaussian curvature In this paper, we investigate the prescribing combinatorial problem polyhedral Using Gu-Luo-Sun-Wu’s discrete theory (J. Differ. Geom. 109: 223–...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1387

boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1371

the effect of the presence of perforations on he stresses of a plate is a problem which is of great interest in structural design and in the mathemattical theory of elasticity. among the many hole patterns that are likely to require consideration is the ring of equally spaced circular holes. the present worke investigates stress & strain analysis of a thin isotropic circular plate containing a ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم انسانی 1389

abstract this study examines the relationship between reading anxiety and difficulty of texts as well as the relationship between reading anxiety and students perceived difficulty of the texts. since difficulty is a relative concept, i limited its definition by sticking to the readability formula. we also took students perceived difficulty levels into account. therefore, in the present study, ...

ژورنال: پژوهش های ریاضی 2018

In this paper, Finsler metrics with relatively non-negative (resp. non-positive), isotropic and constant stretch curvature are studied.  In particular, it is showed that every compact Finsler manifold with relatively non-positive (resp. non-negative) stretch curvature is a Landsberg metric. Also, it is proved that every  (α,β)-metric of non-zero constant flag curvature and non-zero relatively i...

Journal: :Theoretical Computer Science 2021

Imbalance is a classical graph layout problem with several applications, particularly in drawing. The imbalance of σ determined by how well-balanced the neighbors vertices are σ. In present work, we study parameterized twin cover graph. We show that XP cover, and FPT when size largest clique outside cover. contrast, introduce notion succinct representations graphs terms their demonstrate NP-har...

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