منابع مشابه
Adventures in Invariant Theory
We provide an introduction to enumerating and constructing invariants of group representations via character methods. The problem is con-textualised via two case studies, arising from our recent work: entan-glement invariants, for characterising the structure of state spaces for composite quantum systems; and Markov invariants, a robust alternative to parameter-estimation intensive methods of s...
متن کاملUnipotent groups in invariant theory.
The finite generation of the ring of invariants of a special class of unipotent groups is established-namely, unipotent radicals of parabolic subgroups.
متن کامل: examining l2 teachers’ corrective feedback types in relation to learners’ uptake, proficiency levels, and context types
abstract this study investigates the teachers’ correction of students’ spoken errors of linguistic forms in efl classes, aiming at (a) examining the relationship between the learners’ proficiency level and the provision of corrective feedback types, (b) exploring the extent to which teachers’ use of different corrective feedback types is related to the immediate types of context in which err...
Some Problems in Invariant Theory
We present summaries of a number of research problems in invariant theory. These problems were posed during the organized problem sessions held during the April 2002, Kingston Ontario, Invariant Theory Workshop and Conference.
متن کاملModern Developments in Invariant Theory
Invariant theory, which is almost one and a half centuries old, is now going through a new period of vigorous development: a satisfactory comprehension of a general picture within the classical situation has been attained and the new important directions, methods, and applications are being discovered. Now, as a matter of fact, invariant theory is identified with the theory of algebraic group a...
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ژورنال
عنوان ژورنال: The Bulletin of Symbolic Logic
سال: 2020
ISSN: 1079-8986,1943-5894
DOI: 10.1017/bsl.2020.25