By Martin Lorenz
Multiplicative invariant concept is in detail tied to indispensable representations of finite teams. hence, the sphere has a predominantly discrete, algebraic style. Geometry, in particular the idea of algebraic teams, enters via Weyl teams and their root lattices in addition to through personality lattices of algebraic tori.
Throughout the textual content, a variety of particular examples of multiplicative invariant algebras and fields are provided, together with the entire record of all multiplicative invariant algebras for lattices of rank 2.
The booklet is meant for graduate and postgraduate scholars in addition to researchers in quintessential illustration conception, commutative algebra and, normally, invariant theory.
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Multiplicative Invariant Theory: 135 (Encyclopaedia of Mathematical Sciences) by Martin Lorenz