There is, I think, something ethereal about i —the square root of minus one. I remember first hearing about it at school. It seemed an odd beast at that time—an intruder hovering on the edge of reality.

Usually familiarity dulls this sense of the bizarre, but in the case of i it was the reverse: over the years the sense of its surreal nature intensified. It seemed that it was impossible to write mathematics that described the real world in …

I and i

Time-delay systems: an overview of some recent advances and open problems

The Classical Field Theories

关于Semigroups of Linear Operators and Applications to Partial Differential Equations的两个注解

The Theory of Matrices. By F R. Gantmacher. Two volumes, pp. 374 and 276. 1959. (Translated from the Russian by K. A. Hirsch; Chelsea Publishing Company, New York)

An advanced treatise on physical chemistry

Introduction 1. Compact operators on a hilbert space 2. Hardy spaces 3. Basic properties of hankel operators 4. Hankel operators on the half plane 5. Linear systems and H 6. Hankel-norm approximation 7. Special classes of hankel operator Appendix Exercises Bibliography Index.

An introduction to Hankel operators

Brief Analysis of fractional delay systems of retarded and neutral type

Worst-case control-relevant identification

Keywords: traitement des signaux ; techniques de : mesure ; mathematiques ; methodes : numeriques Reference Record created on 2005-11-18, modified on 2016-08-08

Jonathan R. Partington

Papers

An advanced treatise on physical chemistry

An introduction to Hankel operators

Brief Analysis of fractional delay systems of retarded and neutral type

Worst-case control-relevant identification

Interpolation, identification, and sampling