Shape preservation of evolution equations András Bátkai, ELTE Budapest A. Bobrowski (Lublin)
Feb 22, 2016
Shape preservation of evolution equations
András Bátkai, ELTE Budapest
A. Bobrowski (Lublin)
What is shape? What is shape preservation? Examples:
Monotonicity preservation:
Convexity/concavity preservation:
More involved:
Positivity preservation:
Monotonicity:
Convexity:
Negative Convexity:
Wentzell boundary conditions
Convexity:
Some more references:
convexity preservation of general nonlocal Wentzell b.c.
Theorem:
Theorem:
(Miyadera-Voigt perturbation)
(generalization of Arendt-Rhandi)
Reference:
A K Peters, 2005
Semigroups for Delay Equations(with S. Piazzera)
Delay-equations
Miyadera-Voigt perturbation
monotonicity preservation
convexity preservation