activity
20162024
most citedExistence of solutions for a fractional semilinear parabolic equation with singular initial data

3 citations · 6 across the 8 of their papers we have counts for

collaborators

9 papers

math.AP2024

Necessary conditions for the solvability of fractional semilinear heat equations in the very weak framework

Kotaro Hisa

In this paper we obtain necessary conditions on the initial value for the solvability of the Cauchy problem for semilinear heat equations. These necessary conditions were already o…

math.AP2024

Existence of solutions semilinear parabolic equations with singular initial data in the Heisenberg group

The Anh Bui, Kotaro Hisa

In this paper we obtain necessary conditions and sufficient conditions on the initial data for the solvability of fractional semilinear heat equations with power nonlinearities in…

math.AP2022

Initial traces and solvability for a semilinear heat equation on a half space of

Kotaro Hisa, Kazuhiro Ishige, Jin Takahashi

We show the existence and the uniqueness of initial traces of nonnegative solutions to a semilinear heat equation on a half space of under the zero Dirichlet bounda…

math.AP20221 cited

Solvability of Superlinear Fractional Parabolic Equations

Yohei Fujishima, Kotaro Hisa, Kazuhiro Ishige +1

We study necessary conditions and sufficient conditions for the existence of local-in-time solutions of the Cauchy problem for superlinear fractional parabolic equations. Our condi…

math.AP2021

Optimal singularities of initial data for solvability of the Hardy parabolic equation

Kotaro Hisa, Jin Takahashi

We consider the Cauchy problem for the Hardy parabolic equation with initial data singular at some point . Our main results show that, if $z\…

math.AP20212 cited

Existence and nonexistence of solutions to the Hardy parabolic equation

Kotaro Hisa, Mikołaj Sierżęga

In this paper, we obtain necessary conditions and sufficient conditions on the initial data for the local-in-time solvability of the Cauchy problem \[ \partial_t u +(-Δ)^\fracθ{2}…