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Michael_1812
  • Member for 7 years, 8 months
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2 votes
Accepted

Dixmier's lemma as a generalisation of Schur's first lemma

2 votes
Accepted

Linear Algebra with Theory

2 votes

Two definitions of complete algebraic reducibility are equivalent by Zorn's lemma. Does this equivalence stay for topological spaces?

1 vote
Accepted

If $f(x)$ is a concave upward function in the interval $x_1,x_2$, prove that $f\left(\frac{a+b}{2}\right)\leq \frac{f(a)+f(b)}{2},x_1\leq a,b\leq x_2$

1 vote

Dixmier's lemma as a generalisation of Schur's first lemma

1 vote
Accepted

A morphism intertwining two induced representations

1 vote

Topological space, manifold, open sets

1 vote

Definition of induced representation

1 vote

Induced representation

1 vote

Reading request: induced representations & fiber bundles

0 votes

Schur's lemma for infinite dimensional group representations

0 votes

Is a Radon measure always positive on non-empty open sets? The same question about the Haar measure.

0 votes

Proving the 3-dimensional representation of S3 is reducible

0 votes
Accepted

A theorem from the theory of groups