uncertainty quantification of spdes with multi-dimensional levy processes
TRANSCRIPT
Generalized FP eqn for linear SODEs system driven by additive pure jump processes
by Ito's fomula
integration by parts + variable change
TFPDE as FP eqn for overdamped Langevin eqn
TFPDE as FP eqn for overdamped Langevin eqn
PCM/CP vs. TFPDE (error of 2nd moments):
stochastic
vs. deterministic
approach!
histogram from MC
vs. density from
TFPDE
multi-dim jump Levy dependence structure
Heat eqn w/ 2-dim jump processes (LePage)
LePage radial decomposition
Levy copula
directional TF
derivative along r
isometry of levy measure
Heat eqn w/ 2-dim jump processes (copula)
Levy copula
Heat eqn w/ 2-dim jump processes (LePage)
MC/S joint PDF vs.
directional TFPDE
Heat eqn w/ 2-dim jump processes (copula)
exact vs.
TFPDE in
moments
'weighted' partial
tempered fractional
derivative ! weight is v(z1,z2)