scientific article

zbMath0536.47003MaRDI QIDQ3320950

Cataldo Demichele, Alba Matteo

Publication date: 1980

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

compact resolventm-sectorial operatorclosed sectorial formclosed symmetric positive form

Mathematics Subject Classification ID

Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Spectrum, resolvent (47A10)

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