An approximation method in the variational theory of the spectrum of operator pencils

Hasanov M.

ACTA APPLICANDAE MATHEMATICAE, cilt.71, sa.2, ss.117-126, 2002 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 71 Sayı: 2
  • Basım Tarihi: 2002
  • Doi Numarası: 10.1023/a:1014545418177
  • Dergi Adı: ACTA APPLICANDAE MATHEMATICAE
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.117-126
  • İstanbul Teknik Üniversitesi Adresli: Hayır

Özet

An approximation method, based on a theorem on approximating general operator-valued functions by piecewise-linear ones, is presented and analyzed. Using this method, variational characteristics of the spectrum of a class of operator functions are established.