Proceedings of the Conference on Ordered Structures and Algebra of Computer Languages, Hong Kong, 26-29 June 1991

by Shum, K. P.; Yuen, Pong C.

• ISBN13: 9789810212407
• ISBN10: 9810212402
• Format: Hardcover
• Copyright: 1993-08-01
• Publisher: World Scientific Pub Co Inc

Table of Contents

Preface
A note on the simple groups over p-adic fields	p. 1
Nonlinear feedforward sequences of m-sequences IV	p. 18
On commutative comodule algebras over a Hopf group algebra	p. 24
Syntactic near-rings of finite group-semiautomata	p. 31
Transformation semigroups	p. 40
A note on H-radicals	p. 50
On divisible elements of a Hun semigroup	p. 57
Partially commutative shuffling	p. 65
The core of a poset	p. 71
On two infinite hierarchies of prefix codes	p. 81
An invitation to inverse semigroup theory	p. 91
On eventually regular semigroups and weakly commutative poe semigroups	p. 116
Some questions on Euclid rings	p. 126
Some problems on the semigroup of singular matrices	p. 132
Semisimplicity for semigroups	p. 145
Products of semigroups	p. 161
An application of lattice theory to the theory of varieties of semigroups that are unions of groups	p. 170
Conjugacy in finite symmetric inverse semigroups	p. 177
Fundamental orderings of semigroups: a survey	p. 180
Radical congruences on T-semigroups	p. 197
Local distribution of non-primitive words	p. 202
Goldie's theorem for semigroups	p. 218
The amalgamation of closure and boundary functions on semigroups and partially ordered sets	p. 232
On the periodicity of the equations over a three letter alphabet	p. 244
Permutation polynomials in several indeterminates over Z/mZ	p. 248
Countings of several kinds of primitive words and balanced words in some specific sets	p. 253
On nil semisimple properties of subweak [Gamma][subscript N]-ring	p. 271
Vertex operators of affine Lie algebras with first kind	p. 280
On the structure of N-perfect bands	p. 300
On the group of units in semigroup rings	p. 310
On nonsingular semigroups	p. 324
Green's * relations in the semigroup of nonnegative matrices	p. 332
Maximal subsemilattices of full transformation semigroups	p. 312
Cohomology of dual spectral sequences	p. 347
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