𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Riesz Type Representation Theorems for Positive Operators

✍ Scribed by Zbigniew Lipecki


Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
336 KB
Volume
131
Category
Article
ISSN
0025-584X

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Functorial Representation Theorems for M
✍ Franco Montagna 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 203 KB

We prove functorial representation theorems for MV algebras, and for varieties ⌬ obtained from MV algebras by the adding of additional operators corresponding ⌬ w x to natural operations in the real interval 0, 1 , namely PMV algebras, obtained by ⌬ the adding of product, and Ł ⌸ algebras, obtained

A Theorem of Brown–Halmos Type for Bergm
✍ Patrick Ahern; Željko Čučković 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 146 KB

We study the analogues of the Brown-Halmos theorem for Toeplitz operators on the Bergman space. We show that for f and g harmonic, T f T g =T h only in the trivial case, provided that h is of class C 2 with the invariant laplacian bounded. Here the trivial cases are f ¯or g holomorphic. From this w

Gradient Estimates and a Liouville Type
✍ E.R. Negrin 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 164 KB

In this paper, we derive a Liouville type theorem on a complete Riemannian manifold without boundary and with nonnegative Ricci curvature for the equation \(\Delta u(x)+h(x) u(x)=0\), where the conditions \(\lim _{r \rightarrow x} r^{-1} \cdot \sup _{x \in B_{p}(r)}|\nabla h(x)|=0\) and \(h \geqslan

Trace formulas and a Borg-type theorem f
✍ Maxim Zinchenko 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 208 KB

## Abstract We prove a general Borg‐type inverse spectral result for a reflectionless unitary CMV operator (CMV for Cantero, Moral, and Velázquez [13]) associated with matrix‐valued Verblunsky coefficients. More precisely, we find an explicit formula for the Verblunsky coefficients of a reflectionl