2,733 reputation
21033
bio website cs.elte.hu/~batka
location Budapest
age 42
visits member for 3 years, 6 months
seen yesterday
I work in functional analysis, my research areas are evolution equations, operator semigroups and delay differential equations.

Aug
24
reviewed No Action Needed A family Mersenne composite numbers?
Aug
24
reviewed Reviewed A short proof for $\dim(R[T])=\dim(R)+1$
Aug
24
reviewed Approve suggested edit on A family Mersenne composite numbers?
Aug
21
comment Approximation of non-Lipschitz (but continuous) functions by Lipschitz functions
And in which sence do you want to approximate?
Aug
20
reviewed Edit suggested edit on Are there any finitely generated artinian modules that are not Noetherian?
Aug
20
revised Are there any finitely generated artinian modules that are not Noetherian?
edited title
Aug
15
reviewed Reviewed Estimating the fractal dimension of a point cloud
Aug
14
reviewed Approve suggested edit on Levenberg's original article “A method for the solution of certain problems in least squares”
Aug
12
revised Is the ideal of functions vanishing at a set complementable in $C(X)$?
added arxiv tag
Aug
5
reviewed Approve suggested edit on Strong Morita Equivalence and Morphisms Between $ C^{*} $-Algebras
Aug
2
reviewed Approve suggested edit on Existence of a family of elliptic curves with large torsion subgroup
Aug
1
reviewed Reject suggested edit on Existence of solutions of a polynomial system
Jul
24
reviewed Approve suggested edit on What is the number of noncrossing acyclic digraphs?
Jul
22
awarded  Nice Answer
Jul
21
comment Did Cauchy think that uniform and pointwise convergence were equivalent?
@user128063: Feel free to edit my answer. I made it community wiki for this reason.
Jul
21
answered Did Cauchy think that uniform and pointwise convergence were equivalent?
Jun
4
reviewed Reviewed Markov decision processes: action set revealed at point of decision
Jun
4
comment Markov decision processes: action set revealed at point of decision
Welcome to MO! Nice question, but next time maybe you should wait a bit more than a day to cross-post here.
Jun
4
reviewed Reject suggested edit on nontrivial theorems with trivial proofs
May
26
reviewed Approve suggested edit on Cliques, Paley graphs and quadratic residues