Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/09/25 Vol. E80-ANo. 9pp. 1625-1629 Type of Manuscript: Special Section LETTER (Special Section on Nonlinear Theory and its Applications) Category: Keyword: neural network, digital technology, total coloring, NP-complete, combinatorial optimization,
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/04/25 Vol. E79-ANo. 4pp. 452-460 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: maximum clique, NP-complete, neural network, algorithm, energy-descent opimization,