منابع مشابه
Second{order Conformal Covariants
We complete the classification of second order, bundle valued differential operator invariants of Riemannian and pseudo-Riemannian conformal structure, by classifying such operators which pass between bundles associated to different representations of the rotation or spin group.
متن کاملOn Lists of Covariants
I USE the term covariants to include invariants, and I write particularly concerning lists of covariants (groundforms) of the binary quintic and sextic, those of quantics of lower degree being few and well known. When the weight of a covariant is spoken of in this article, it must be understood to mean the weight of its first term or "source." The symbol 5ft will denote that covariant of the qu...
متن کاملClassical Covariants and Modular Invariants
There is a relationship between the covariants of binary forms, a central topic in classical invariant theory, and the invariants of modular representations of cyclic groups of prime order. This relationship was identified by Gert Almkvist [1] and used implicitly in both [15] and [17]. In this note we investigate the relationship and provide a progress report on an application. Our primary moti...
متن کاملCovariants and the no - name lemma
Covariants are applied to prove refined versions of a well known statement, that is a basic tool in the study of the rationality problem for fields of invariants (and concerns algebraic groups acting on vector bundles). In addition, the connection between generic independence of covariants and their independence in the module of covariants over the ring of invariants is investigated. MSC: 13A50...
متن کاملSome Covariants Related to Steiner Surfaces
ABSTRACT. A Steiner surface is the generic case of a quadratically parameterizable quartic surface used in geometric modeling. This paper studies quadratic parameterizations of surfaces under the angle of Classical Invariant Theory. Precisely, it exhibits a collection of covariants associated to projective quadratic parameterizations of surfaces, under the actions of linear reparameterization a...
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ژورنال
عنوان ژورنال: Publications of the Research Institute for Mathematical Sciences
سال: 1986
ISSN: 0034-5318
DOI: 10.2977/prims/1195178071