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# Questions

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### Representation of Lie algebra sl_2.

nov 1 10 at 11:20 Sheikraisinrollbank 89526

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### Conjugate Matrix

sep 23 11 at 13:47 Melania 2495

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

jun 24 11 at 5:32 Victor Protsak 7,92113044

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

oct 17 10 at 10:20 Melania 2495

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### A partition problem.

sep 30 10 at 10:47 Melania 2495

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### How to prove recursion formulas for Stirling numbers?

oct 5 at 18:28 Ira Gessel 2,534515

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### What is the definition of an invariant of elliptic curve?

apr 7 11 at 19:14 Melania 2495

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

jan 20 11 at 19:13 darij grinberg 12.8k12475

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### What is correct name of the following construction?

dec 1 10 at 20:13 Mikael Vejdemo-Johansson 1,4691515

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