The number of vectors jointly annihilated by two real quadratic forms determines the inertia of matrices in the associated pencil
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Publication:1211091
DOI10.2140/pjm.1973.49.537zbMath0291.15011OpenAlexW2047835526MaRDI QIDQ1211091
Publication date: 1973
Published in: Pacific Journal of Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2140/pjm.1973.49.537
Quadratic and bilinear forms, inner products (15A63) Canonical forms, reductions, classification (15A21)
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