منابع مشابه
Generalized Schwinger Mass Formula
We generalize Schwinger’s original mass formula to the case of an additional isosinglet which mixes with the nonet mesons, by considering the corresponding 3×3 mass matrix in the most general case. We then make further generalization to either (i) an arbitrary number of additional isosinglets mixing with nonet mesons, or (ii) an arbitrary number of mesons with common J mixing with an additional...
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A convex hull consmaction in Minkowski space defines a canonical cell decomposition for a cusped hyperbolic n-manifold. An algorithm to compute the canonical cell decomposition uses the concept of the 'tilt' of an n-simplex relative to each of its (n 1)-dimensional faces. An essential tool for computing tilts is the tilt theorem. The tilt theorem was previously known only in dimensions n < 3, a...
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The importance of diversification and risk management was recognized by a few visionaries in the early days of investing. Only in the 1950's, however, did these concepts become central. Since then, increasingly sophisticated mathematical and statistical tools have been brought to bear on the problem of estimating the aggregate risk of a portfolio. This risk depends crucially on the covariances ...
متن کاملSupersymmetry and the generalized Lichnerowicz formula
A classical result in differential geometry due to Lichnerowicz [8] is concerned with the decomposition of the square of Dirac operators defined by Clifford connections on a Clifford module E over a Riemannian manifold M . Recently, this formula has been generalized to arbitrary Dirac operators [2]. In this paper we prove a supersymmetric version of the generalized Lichnerowicz formula, motivat...
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ژورنال
عنوان ژورنال: Canadian Mathematical Bulletin
سال: 2016
ISSN: 0008-4395,1496-4287
DOI: 10.4153/cmb-2016-007-4