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Melania's user avatar
Melania's user avatar
Melania's user avatar
Melania
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  • Member for 13 years, 8 months
7 votes
0 answers
376 views

A partition problem.

4 votes
1 answer
275 views

I am interested in collecting different methods of proofs that a subalgebra coincides with whole algebra.

3 votes
0 answers
272 views

What is the definition of an invariant of elliptic curve?

3 votes
1 answer
1k views

How to prove recursion formulas for Stirling numbers?

2 votes
2 answers
2k views

What is Gelfand-Tsetlin basis for an irreducible representation of sl(n)?

1 vote
1 answer
336 views

Need an example of finitely generated graded algebra such that each its graded subspace has infinite dimension.

1 vote
4 answers
912 views

Representation of Lie algebra sl_2.

1 vote
1 answer
214 views

Need an example of not finitely generated graded algebra such that its Poincaré series is a rational function.

0 votes
1 answer
784 views

phase portrait of system of differential equations

0 votes
0 answers
177 views

The transcendence degree of the algebras of invariants

0 votes
1 answer
317 views

What is correct name of the following construction?

0 votes
1 answer
991 views

Conjugate Matrix

0 votes
0 answers
253 views

What is Castelnuovo-Mumford regularity of this algebra?