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Andrey
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accepted
Sub-exponential tail implies Poincare inequality
asked
Sub-exponential tail implies Poincare inequality
asked
Exponential Ergodicity for Reflected Brownian Motion in a Bounded Domain
comment
Maximization of a certain ratio for a concave positive function
Thank you, sir. I did badly, i understand... The proof is nice, but could you please explain how you extend it from (0, 1) to $(0, \infty)$
awarded
 Student
awarded
 Scholar
accepted
Maximization of a certain ratio for a concave positive function
awarded
 Teacher
comment
Maximization of a certain ratio for a concave positive function
Dear Fedja, thank you for this suggestion. I am delighted it is not hard, but could you possibly show how to do this? that you cannot beat 1/(4x^2) everywhere on any (0, a)?
asked
Maximization of a certain ratio for a concave positive function