Simple proof of a useful pointwise estimate for the wave equation

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dc.creatorSzpak, Nikodem
dc.date2007-08-21
dc.date2007-10-09
dc.date.accessioned2026-07-07T08:34:34Z
dc.date.available2026-07-07T08:34:34Z
dc.descriptionWe give a simple proof of a pointwise decay estimate in 3+1 dimensions stated in two versions, making advantage of a particular simplicity of inverting the spherically symmetric part of the wave operator and of the comparison theorem. We briefly explain the role of this estimate in proving decay estimates for nonlinear wave equations or wave equations with potential terms.
dc.description7 pages; some minor errors corrected; numerical values of the bounds added
dc.identifierhttps://arxiv.org/abs/0708.2801
dc.identifierhttp://arxiv.org/abs/0708.2801
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139478
dc.subjectMathematical Physics
dc.titleSimple proof of a useful pointwise estimate for the wave equation
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