Results 51 to 60 of about 125 (118)

Perturbations of Globally Hypoelliptic Operators

open access: yesJournal of Differential Equations, 1994
The author investigates when perturbations of globally hypoelliptic (GH) operators on a torus are again GH. It is shown that nonelliptic, constant coefficient, first order operators become generically non-GH whereas operators of order bigger or equal to three possess a stability.
openaire   +1 more source

Ornstein-Uhlenbeck semigroups in infinite dimension. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2020
Lunardi A, Pallara D.
europepmc   +1 more source

Conceptual dynamical models for turbulence. [PDF]

open access: yesProc Natl Acad Sci U S A, 2014
Majda AJ, Lee Y.
europepmc   +1 more source

Chaos in Stochastic 2d Galerkin-Navier-Stokes. [PDF]

open access: yesCommun Math Phys
Bedrossian J, Punshon-Smith S.
europepmc   +1 more source

Observation-based correction of dynamical models using thermostats. [PDF]

open access: yesProc Math Phys Eng Sci, 2017
Myerscough KW, Frank J, Leimkuhler B.
europepmc   +1 more source

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