Mathematics
Ryszard Szwarc's user avatar
Ryszard Szwarc's user avatar
Ryszard Szwarc's user avatar
Ryszard Szwarc
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All Questions Answers
Score Newest
answer
16
Does the limit of these sums converge/diverge?
Aug 4
answer
12
Example of an algebra that is a Banach space but not a Banach algebra
Apr 22, 2022
answer
10
Is there an infinite dimensional inner product space without an orthogonal Hamel basis?
Jun 6
question
9
Operators similar to operators with spectral radius 1
Feb 6, 2022
answer
9
How to prove $\frac{\sqrt{5}+1}{2}>\log_23$?
Jun 7
question
9
Invertibility of a linear combination of self-adjoint operators
Dec 28, 2022
answer
9
How to solve functional equation $f(x^{2}) = \frac{f(x)}{1 + x}$?
Oct 30
answer
8
Is there an orthonormal set of polynomials whose derivatives are orthogonal?
Aug 21, 2022
answer
8
Minimizing $\frac{\|p\|_2^2}{\|p\|_\infty}$ for probability vector $p$
Mar 5
answer
8
Example of an inner product space with no orthonormal basis
Apr 26

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