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Ishan Levy's user avatar
Ishan Levy's user avatar
Ishan Levy's user avatar
Ishan Levy
  • Member for 7 years, 6 months
  • Last seen more than a month ago
  • Pittsburgh, PA, United States
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Mathematician, Dancer, Runner, Programmer, etc.

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11
Motivating the Casimir element
May 29, 2020
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17
What is the correct notion of unique factorization in a ring?
6
Smooth map that is a topological submersion but not a smooth submersion
5
Wrong proof: If $0$ is the only eigenvalue of a linear operator, is the operator nilpotent
5
Prove that an idempotent element must be either 0, 1 or a zero-divisor.