Results 91 to 100 of about 137,153 (176)

Functional Calculus for a Pair of Almost Commuting Selfadjoint Operators

open access: yesJournal of Functional Analysis, 1993
In this relevant paper, the author constructs a functional calculus for a pair \((A,B)\) of almost commuting selfadjoint operators, i.e. \(AB-BA\) is a trace class operator. A class \({\mathcal C}\) of functions in two real variables is constructed and a mapping \(\varphi \mapsto \varphi(A,B)\) \((\varphi \in{\mathcal C})\) is defined satisfying ...
openaire   +2 more sources

Math 150 Calculus I

open access: yes, 2013
MATH 150, Calculus I (4)\ud Prerequisite: Knowledge of algebra, geometry, and trigonometry as demonstrated by either (1) satisfactory completion of Mathematics 141 with a grade of C (2.0) or above; or (2) satisfaction of the Entry-Level mathematics ...
Kirschvink, Steve, Kirshvick, Steven
core  

The Weyl Correspondence as a Functional Calculus for Non-Commuting Operators

open access: yesRocky Mountain Journal of Mathematics, 2009
In this expository paper, the Weyl calculus for bounded, selfadjoint operators on a Hilbert space is described. The original Weyl correspondence for the position and momentum operators is described as well. The most interesting part is the multi-variable Weyl correspondence for bounded selfadjoint operators which are not necessarily commuting.
openaire   +2 more sources

Introduction to calculus /

open access: yes, 1969
Print version record.Front Cover; Introduction to Calculus; Copyright Page; Table of Contents; PREFACE TO THE SECOND ENGLISH EDITION; PREFACE TO THE POLISH EDITION; CHAPTER I. SEQUENCES AND SERIES; 1. INTRODUCTION; 2. INFINITE SEQUENCES; 3.
Kuratowski, Kazimierz,1896-1980.   +1 more
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Map Calculus in GIS: a proposal and demonstration [PDF]

open access: yes, 2004
This paper provides a new representation for fields (continuous surfaces) in Geographical Information Systems (GIS), based on the notion of spatial functions and their combinations.
Haklay, M
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