2,916 reputation
21035
bio website cs.elte.hu/~batka
location Budapest
age 42
visits member for 3 years, 10 months
seen 13 hours ago
I work in functional analysis, my research areas are evolution equations, operator semigroups and delay differential equations.

Dec
11
reviewed Approve Max flow with minimal requirements algo problem
Dec
3
answered PDEs on torus $\mathbb T$
Oct
15
reviewed Approve Most 'unintuitive' application of the Axiom of Choice?
Oct
6
answered $C_0$ semigroups on parameterized Banach spaces or moving domains
Oct
4
comment Semigroups on Banach Lattice
But the examples suggest that this cannot be true...
Oct
2
comment Semigroups on Banach Lattice
On the first sight the previous example of @JochenWengenroth can be made one-dimensional by taking $X=\mathbb{R}$ and $Z(t)=e^{-t}$.
Sep
30
awarded  Explainer
Sep
26
awarded  Nice Answer
Sep
20
comment Hilbert triples
$V^*$ is built in relation to $H$. In your situation, $V^*=V$, which is not too helpful.
Sep
19
reviewed Approve Quickly finding optimal subset of pairs of numerator and denominator terms for special objective functions
Sep
9
answered Lecture notes on semi group theory for linear evolution equations
Sep
5
reviewed Approve A general theory of quasi-functors, generalizing from dg-categories to $\mathcal V$-categories, with $\mathcal V$ monoidal model category
Sep
1
reviewed No Action Needed Possible ways to create a graph representation from a distance matrix (through approximation)
Sep
1
comment Vanishing eigenvalues of Jacobian
@WillieWong: right. Thanks.
Sep
1
comment Vanishing eigenvalues of Jacobian
Then put an arbitrary Schwartz function of $y$ instead of $y$...
Aug
24
reviewed No Action Needed A family Mersenne composite numbers?
Aug
24
reviewed Approve A family Mersenne composite numbers?
Aug
20
reviewed Edit 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