نتایج جستجو برای: flm algebra

تعداد نتایج: 70078  

Journal: :Mobilities 2023

In this article, we interrogate the utility of conceptualising ‘first and last mile’ (FLM) as a ‘challenge’ to be addressed through automated integrated mobility services. We critically engage with concept design anthropological approach which takes two steps so as: complicate literatures that construct FLM place where automated, service-based micro-mobility innovations will engender sustainabl...

2008
Pavel Kolesnikov

The notion of conformal algebra appears as an algebraical language describing singular part of operator product expansion (OPE) in conformal field theory [BPZ]. Explicit algebraical exposition of this theory leads to the notion of vertex (chiral) algebra (see, e.g., [B], [DL], [FLM]). Roughly speaking, conformal algebras correspond to vertex algebras by the same way as Lie algebras correspond t...

2007
Sayan K. Chakrabarti Siddhartha Sen

It is shown that a massless scalar probe reveals a universal near-horizon conformal structure for a wide class of black holes, including the BTZ. The central charge of the corresponding Virasoro algebra contains information about the black hole. With a suitable quantization condition on the central charge, the CFT associated with the black hole in our approach is consistent with the recent obse...

Journal: :international journal of nonlinear analysis and applications 2010
c. park th. m. rassias

it is shown that every  almost linear bijection $h : arightarrow b$ of a unital $c^*$-algebra $a$ onto a unital$c^*$-algebra $b$ is a $c^*$-algebra isomorphism when $h(3^n u y) = h(3^n u) h(y)$ for allunitaries  $u in a$, all $y in a$, and all $nin mathbb z$, andthat almost linear continuous bijection $h : a rightarrow b$ of aunital $c^*$-algebra $a$ of real rank zero onto a unital$c^*$-algebra...

2000
Igor B. Frenkel Weiqiang Wang Igor Frenkel

We present a group theoretic construction of the Virasoro algebra in the framework of wreath products. This can be regarded as a counterpart of a geometric construction of Lehn in the theory of Hilbert schemes of points on a surface. Introduction It is by now well known that a direct sum ⊕ n≥0R(Sn) of the Grothendieck rings of symmetric groups Sn can be identified with the Fock space of the Hei...

Journal: :IEICE Transactions 2010
Ching-Chi Chen Wei-Yen Hsu Shih-Hsuan Chiu Yung-Nien Sun

Image registration is an important topic in medical image analysis. It is usually used in 2D mosaics to construct the whole image of a biological specimen or in 3D reconstruction to build up the structure of an examined specimen from a series of microscopic images. Nevertheless, owing to a variety of factors, including microscopic optics, mechanisms, sensors, and manipulation, there may be grea...

Journal: :iranian journal of science and technology (sciences) 2014
r. tayebi khorami

in this paper, we introduce the notion of multiplier in -algebra and study relationships between multipliers and some special mappings, likeness closure operators, homomorphisms and ( -derivations in -algebras. we introduce the concept of idempotent multipliers in bl-algebra and weak congruence and obtain an interconnection between idempotent multipliers and weak congruences. also, we introduce...

Journal: :Nanophotonics 2021

Abstract Integrated quantum photonics, i.e. the generation, manipulation, and detection of states light in integrated photonic chips, is revolutionizing field information all applications, from communications to computing. Although many different platforms are being currently developed, silicon photonics lithium niobate circuits, none them has shown versatility femtosecond laser micromachining ...

Journal: :Frontiers in sustainable food systems 2023

Introduction The Chesapeake Bay and Upper Bann watersheds in the United States Northern Ireland, respectively, exemplify how agricultural systems contribute to groundwater surface water pollution, which leads turn quality issues downstream bodies. Interdisciplinary research, public outreach, stakeholder engagement have received increased attention consideration as pragmatic approaches for addre...

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