Accession Number:

ADA093613

Title:

A Characterization of Normal Operators.

Descriptive Note:

Technical summary rept.,

Corporate Author:

WISCONSIN UNIV-MADISON MATHEMATICS RESEARCH CENTER

Personal Author(s):

Report Date:

1980-10-01

Pagination or Media Count:

11.0

Abstract:

Let A be a bounded linear operator in a Hilbert space. If A is normal then logabsolute value of e to the Atu and logabsolute value of e to the A prime tu are convex functions for all u not equal to 0. In this paper we prove that these properties characterize normal operators. Author

Subject Categories:

  • Theoretical Mathematics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE