2 problems

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Global existence conjecture above the Fujita exponent for the exterior biharmonic heat equation
Global existence conjecture. If
Conjectureopenbiharmonic-heat-equation exterior-domains semilinear-parabolic-equationsarXiv posted 2 days ago
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The biharmonic nonlinear heat equation standing-ring conjecture
Consider the radially symmetric biharmonic nonlinear heat equation … and let $L(t)$ and $r_{\max}(t)$ denote the ring similarity scale and radius. Let $v_B(t,x)$ be a singular peak…
Conjectureopenbiharmonic-heat-equation blowup radial-solutionsarXiv posted 2 days ago

Global existence conjecture above the Fujita exponent for the exterior biharmonic heat equation