نتایج جستجو برای: what homi bhabha calls
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We derive the σ-model tachyon β-function equation of 2-dimensional string theory, in the background of flat space and linear dilaton, working entirely within the c = 1 matrix model. The tachyon β-function equation is satisfied by a nonlocal and nonlinear combination of the (massless) scalar field of the matrix model. We discuss the possibility of describing the ‘discrete states’ as well as othe...
During the 1920s and 1930s, Italian physicists established strong relationships with scientists from other European countries and the United States. The career of Bruno Rossi, a leading personality in the study of cosmic rays and an Italian pioneer of this field of research, provides a prominent example of this kind of international cooperation. Physics underwent major changes during these turb...
We consider temporal difference algorithms within the context of infinite-horizon finite-state dynamic programming problems with discounted cost, and linear cost function approximation. We show, under standard assumptions, that a least squares-based temporal difference method, proposed by Nedić and Bertsekas [NeB03], converges with a stepsize equal to 1. To our knowledge, this is the first iter...
⋆ E-mail address: [email protected], [email protected] † Permanent address: Tata Institute of Fundamental Research, Homi Bhabha Road, Bombay 400005, India. ‡ E-mail address: [email protected], [email protected]. Supported in part by D.O.E. contract DE-AC02-76ER03069. We prove local background independence of the complete quantum closed string field theory using the recursion re...
Although there exist many middlewares such as Havi, Jini, LonWorks, UPnP, and SLP, new middlewares specialized for diverse information appliances are expected to appear continuously as home networks evolve. In this paper, we first investigate an integrated architecture for supporting interoperability among heterogeneous middlewares on home networks. We then propose and implement a user-oriented...
Results of an investigation of the O(4) spin model at finite temperature using anisotropic lattices are presented. In both the large N approximation and numerical simulations using the Wolff cluster algorithm we find that the ratio of the symmetry restoration temperature TSR to the Higgs mass mH is independent of the anisotropy ξ. From the numerical simulations we obtain a lower bound of TSR/mH...
Em meio à Modernidade, uma única forma de viver foi alçada como legítima e verdadeira, representando os efeitos do curso civilizatório. Essa dinâmica levou consumação inúmeras vidas, experiências foram dispersadas, conhecimentos exterminados determinados modos ser, apagados. A educação institucional a ciência serviram esse propósito caráter colonial, patriarcal capitalista. pedagogia moderna é ...
We consider the problem of efficient simulation estimation of the density function at the tails, and the probability of large deviations for a sum of independent, identically distributed (i.i.d.), light-tailed and nonlattice random vectors. The latter problem besides being of independent interest, also forms a building block for more complex rare event problems that arise, for instance, in queu...
We consider the problem of efficient simulation estimation of the density function at the tails, and the probability of large deviations for a sum of independent, identically distributed, light-tailed and non-lattice random vectors. The latter problem besides being of independent interest, also forms a building block for more complex rare event problems that arise, for instance, in queuing and ...
The introduction of a longitudinal polarised positron beam in an ee linear collider calls for its polarisation monitoring and measurement at low energies near its production location. Here it is shown that a relatively simple Bhabha scattering polarimeter allows, at energies below 5000 MeV, a more than adequate positron beam longitudinal polarisation measurement by using only the final state el...
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