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math.AP2024
Observability from a measurable set for functions in a Gevrey class
Igor Kukavica, Linfeng Li
We provide an observability inequality in terms of a measurable set for general Gevrey regular functions. As an application, we establish an observability estimate from a measurabl…
math.AP2024
Upper bounds of nodal sets for Gevrey regular parabolic equations
Guher Camliyurt, Igor Kukavica, Linfeng Li
We consider the size of the nodal set of the solution of the second order parabolic-type equation with Gevrey regular coefficients. We provide an upper bound as a function of time.…