The basic problem discussed here is the exploitation of symmetry in solving linear systems of equations which are equivariant under a permutation of the indices. It is essentially an overview of the method given in 11] and 10], augmented by a careful discussion of the case of xed points, which was left untreated in these articles.

Van der Heijden’s ENDGAME STUDY DATABASE IV, HhdbIV, is the definitive collection of 76,132 chess studies. In each one, White is to achieve the stipulated goal, win or draw: study solutions should be essentially unique with minor alternatives at most. In this second note on the mining of the database, we use the definitive Nalimov endgame tables to benchmark White’s moves in sub-7-man chess aga...

Making sense of uncertainty: Advantages and disadvantages of providing an evaluative structure Nathan F. Dieckmann Decision Research, Eugene, Oregon Ellen Peters Department of Psychology, Ohio State University, Columbus, Ohio Robin Gregory Decision Research, Eugene, Oregon Martin Tusler Department of Psychology, Ohio State University, Columbus, Ohio Correspondence concerning this article should...

The 102 articles listed in the Bibliography at the end of this analysis constitute the ninth group of most-cited papers that we have presented from the 1961-1982 Science Citation Indexn (SCF ). The list of papers discussed here includes Frank Wilcoxon’s classic 1945 Biometrics article on ranking methods. The following year Wilcoxon published his highly cited book, Some Rapid Approximate Statist...

Apert syndrome is a genetic defect which was first described by Eugene Apert in 1906. itchr('39')s incidence is approximately one in 50000 births. This syndrome is many abnormalities in your body and Central Nervous System. rehabilitation can increase children and their parentchr('39')s quality of life.We report a case of Apert syndrome and his occupational therapy program.