Infinite time blow-up for the three dimensional energy critical heat equation in bounded domains

Giacomo Ageno, Manuel Del Pino

Research output: Contribution to journalArticlepeer-review

Abstract

We consider the Dirichlet problem for the energy-critical heat equation (Formula presented.) where Ω is a bounded smooth domain in R 3. Let H γ(x,y) be the regular part of the Green function of -Δ-γ in Ω, where γ∈(0,λ 1) and λ 1 is the first Dirichlet eigenvalue of -Δ. Then, given a point q∈Ω such that 3γ(q)<λ 1, where (Formula presented.) we prove the existence of a non-radial global positive and smooth solution u(x, t) which blows up in infinite time with spike in q. The solution has the asymptotic profile (Formula presented.) where (Formula presented.)

Original languageEnglish
Article number111420
Pages (from-to)1-94
Number of pages94
JournalMathematische Annalen
Volume391
Issue number1
Early online date15 May 2024
DOIs
Publication statusE-pub ahead of print - 15 May 2024

Acknowledgements

The authors express gratitude to the anonymous referee for their careful reading, which contributed to the improvement of the manuscript.

Funding

The authors acknowledge the support from the Royal Society Research Professorship RP-R1-180114, United Kingdom. G. Ageno acknowledges support from the ERC/UKRI 2208 Horizon Europe Grant SWAT EP/X030644/1 and M. del Pino from the ERC/UKRI Horizon Europe Grant ASYMEVOL EP/Z000394/1. The authors express gratitude to the anonymous referee for their careful reading, which contributed to the improvement of the manuscript.

FundersFunder number
European Research Council
Royal SocietyRP-R1-180114
Royal Society
UKRI 2208 Horizon EuropeSWAT EP/X030644/1
UKRI Horizon EuropeASYMEVOL EP/Z000394/1

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