Concepedia

J. P. Williams

JP

Statistics

Publications

22

Citations

1.3K

H-Index

17

Active since

1966

Affiliations

Indiana University Bloomington(Current)

University of Michigan

Arizona Heart Institute

Johns Hopkins University

Siemens (United States)

J. P. Williams is an author at Indiana University Bloomington specializing in engineering, functional analysis, and natural sciences.

Top concepts

Publications per year

1966–2010

22

Publications

22

On operator ranges

Peter Fillmore, J. P. Williams · Advances in Mathematics · 1971 · 465 citations

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On the essential numerical range, the essential spectrum, and a problem of Halmos

Peter Fillmore, Joseph G. Stampfli, J. P. Williams · 1972 · 158 citations

, , +8

Growth conditions and the numerical range in a Banach algebra

Joseph G. Stampfli, J. P. Williams · Tohoku Mathematical Journal · 1968 · 137 citations · Full text

Operators similar to their adjoints

J. P. Williams · Proceedings of the American Mathematical Society · 1969 · 66 citations · Full text

, , +5

Spectra of products and numerical ranges

J. P. Williams · Journal of Mathematical Analysis and Applications · 1967 · 64 citations · Full text

, , +4

1–5 of 22