857 research outputs found

    New methods in conformal partial wave analysis

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    We report on progress concerning the partial wave analysis of higher correlation functions in conformal quantum field theory.Comment: 16 page

    TRANSENDOTHELIAL VESICULAR MACROMOLECULE TRANSPORT IN LARGE BLOOD VESSELS

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    Infinite dimensional Lie algebras in 4D conformal quantum field theory

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    The concept of global conformal invariance (GCI) opens the way of applying algebraic techniques, developed in the context of 2-dimensional chiral conformal field theory, to a higher (even) dimensional space-time. In particular, a system of GCI scalar fields of conformal dimension two gives rise to a Lie algebra of harmonic bilocal fields, V_m(x,y), where the m span a finite dimensional real matrix algebra M closed under transposition. The associative algebra M is irreducible iff its commutant M' coincides with one of the three real division rings. The Lie algebra of (the modes of) the bilocal fields is in each case an infinite dimensional Lie algebra: a central extension of sp(infty,R) corresponding to the field R of reals, of u(infty,infty) associated to the field C of complex numbers, and of so*(4 infty) related to the algebra H of quaternions. They give rise to quantum field theory models with superselection sectors governed by the (global) gauge groups O(N), U(N), and U(N,H)=Sp(2N), respectively.Comment: 16 pages, with minor improvements as to appear in J. Phys.

    PECULIARITIES IN THE CLINICAL COURSE OF GUILLAIN-BARRE'S POLYRADICULONEURITIS

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    ULTRASTRUCTURAL ASPECTS OF ENDOTHELIAL CELLS` SECRETORY FUNCTION IN RABBIT MAJOR BLOOD VESSELS

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    Jacobi Identity for Vertex Algebras in Higher Dimensions

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    Vertex algebras in higher dimensions provide an algebraic framework for investigating axiomatic quantum field theory with global conformal invariance. We develop further the theory of such vertex algebras by introducing formal calculus techniques and investigating the notion of polylocal fields. We derive a Jacobi identity which together with the vacuum axiom can be taken as an equivalent definition of vertex algebra.Comment: 35 pages, references adde
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