Enveloping norms of regularly P-operators in Banach lattices

Alpay, Safak; Emelyanov, EDUARD; Gorokhova, Svetlana

doi:10.1007/s11117-024-01055-2

Enveloping norms of regularly P-operators in Banach lattices

Alpay S., Emelyanov E., Gorokhova S.

Positivity, cilt.28, sa.3, 2024 (SCI-Expanded, Scopus)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 28 Sayı: 3
Basım Tarihi: 2024
Doi Numarası: 10.1007/s11117-024-01055-2
Dergi Adı: Positivity
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, ABI/INFORM, Business Source Elite, Business Source Premier, MathSciNet, zbMATH
Anahtar Kelimeler: 46B25, 46B42, 46B50, 47B60, Banach lattice, Enveloping norm, Operator linear class, Regularly P-operator
Orta Doğu Teknik Üniversitesi Adresli: Evet

Özet

The span of positive linear operators belonging to an operator linear class P and acting between Banach lattices is rarely a Banach space under the operator norm. We investigate the enveloping norm ‖S‖r-P=inf{‖T‖:±S≤T∈P} on span(P+(E,F)) that is complete under rather mild assumptions on P.