Sökning: "similarity to contractions"

Hittade 2 avhandlingar innehållade orden similarity to contractions.

  1. 1. Hankel operators and atomic decompositions in vector-valued Bergman spaces

    Författare :Olivia Constantin; Matematik (naturvetenskapliga fakulteten); []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Matematik; Hankel operators; similarity to contractions; atomic decompositions;

    Sammanfattning : Abstract This thesis consists of the following three papers Paper I. Hankel operators on Bergman spaces and similarity to contractions. In this paper we consider Foguel-Hankel operators on vector-valued Bergman spaces. LÄS MER

  2. 2. Endothelin and endothelin receptors in human pregnancy and delivery

    Författare :Kerstin Wolff; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Endothelin; endothelin receptor; human; pregnancy; preeclampsia; delivery;

    Sammanfattning : Background: Endothelin-1 (ET-1) is a 21-amino acid peptide, first described by Yanagisawa et al in 1988. It is one of the most potent constrictors of smooth muscle cells identified to date. LÄS MER