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Decay at infinity of caloric functions within characteristic hyperplanes

2005/09/19 by Luis Escauriaza, L. Escauriaza, Escauriaza, L. +9
Computer Science · Mathematics · #Advanced Mathematical Modeling in Engineering #Analysis of PDEs (math.AP) #FOS: Mathematics #Nonlinear Partial Differential Equations #Spectral Theory in Mathematical Physics #math.AP

paper · pdf · doi:10.48550/arxiv.math/0509436

arxiv created 2005/09/19 · openalex publication_date 2005/09/19 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

It is shown that a function u satisfying, |Δu+∂tu|≤ M(|u|+|∇ u|), |u(x,t)|≤ MeM|x|2 in \Rn× [0,T] and |u(x,0)|≤ Cke-k|x|2 in \Rn and for all k≥ 1, must vanish identically in \Rn× [0,T].

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