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Your search keyword '"Hearn, A. C."' showing total 36 results
Start Over Author "Hearn, A. C." Publication Year Range More than 50 years ago Language english
36 results on '"Hearn, A. C."'

9. Applications of Symbol Manipulation in Theoretical Physics.

Author

Hearn, Anthony C.

Subjects
*MATHEMATICAL physics, *QUANTUM electrodynamics
Abstract

Studies the applications of symbolic computation techniques in problems in theoretical physics. Applications in quantum electrodynamics; Use of nonnumeric computing methods for the solution of problems in theoretical physics.

Published
1971
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10. Computation of Algebraic Properties of Elementary Particle Reactions Using a Digital Computer.

Author

Hearn, A. C.

Subjects
*COMPUTERS, *PROGRAMMING languages, *IBM computers, *NONCOMMUTATIVE algebras, *COMPUTER software, *COMPUTER systems
Abstract

A large number of calculations in high-energy elementary particle physics involve the manipulation of complicated algebraic expressions containing both tensor and noncommutative matrix quantities. Many of these calculations take several months to complete, although the operations involved follow straightforward rules. In this paper program is described, which has been developed in LISP far solving such problems. The manner in which these problems are encountered is outlined, and their representation in the computer discussed. At present, about six months of human work takes less than Fifteen minutes on an IBM 7090. Limitations of the present system and future plans are also outlined. [ABSTRACT FROM AUTHOR]

Published
1966
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12. The problem of substitution

Author

Hearn, A. C

Subjects
Mathematics
Abstract

Discussing REDUCE system and approach to substitution in design of symbolic mathematics system

Published
1969

35. IMPROVEMENT OF SERVICES OF PLACEMENT OFFICES.

Author

Hearn, Arthur C.

Subjects
TEACHER placement agencies, TEACHER recruitment, EMPLOYMENT references, COMPETENT authority, STUDENT teachers, PERSONAL information management, SCHOOL employees, TEACHER effectiveness
Abstract

The article discusses on several methods of improving the services of placement offices for teachers in the U.S. The author suggests that placement offices should use letters of recommendation that would depict the specific information relative to teaching competence of the candidate. He recommends that placement offices should keep a summarized data of personnel for the employers, and such summary should put special attention on the candidate's successful student teaching experience which has been evaluated accordingly.

Published
1953

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