15 citations · 60 across the 9 of their papers we have counts for
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math.FA2011★ 2 cited
On shape preserving semigroups
András Bátkai, Adam Bobrowski
Motivated by positivity-, monotonicity-, and convexity preserving differential equations, we introduce a definition of shape preserving operator semigroups and analyze their fundam…
math.FA2011★ 5 cited
The norm convergence of a Magnus expansion method
András Bátkai, Eszter Sikolya
We consider numerical approximation to the solution of non-autonomous evolution equations. The order of convergence of the simplest possible Magnus method will be investigated.