Bilinear space-time estimates for homogeneous wave equations

Damiano Foschi, Sergiu Klainerman

Research output: Contribution to journalArticlepeer-review

94 Scopus citations


In this paper, we pursue a systematic treatment of the regularity theory for products and bilinear forms of solutions of the homogeneous wave equation. We discuss necessary and sufficient conditions for the validity of bilinear estimates, based on L2 norms in space and time, of derivatives of products of solutions. Also, we give necessary conditions and formulate some conjectures for similar estimates based on LqtLxr norms.

Original languageEnglish (US)
Pages (from-to)211-274
Number of pages64
JournalAnnales Scientifiques de l'Ecole Normale Superieure
Issue number2
StatePublished - Mar 2000

All Science Journal Classification (ASJC) codes

  • General Mathematics


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