This paper presents a general introduction to the optimization methods which form the basis of the large-scale nonlinear optimization package LANCELOT written by Conn, Gould and Toint. That is, we propose here a comprehensive overview of the principal tools selected by the authors of LANCELOT, among the classical large-scale nonlinear optimization tools, to develop their code. This description ...

The number conn counts matchings X on f1; 2; : : : ; 2ng, which are partitions into n two-element blocks, such that the crossing graph of X is connected. Similarly, cron counts matchings whose crossing graph has no isolated vertex. (If it has no edge, Catalan numbers arise.) We prove, using a more generally aplicable criterion, that the sequences (conn) and (cron) are not P-recursive. On the ot...

J. LAWRENCE POOL, The Neurological Institute of New York 1909-1974, with personal anecdotes, Lakeville, Conn., Pocket Knife Press for the author, 1975, 8vo, pp. xii, 154, illus., $5.00 (Copies available from the author, Box 31, West Cornwall, Conn. 06796, U.S.A.) The Institute, the first of its kind in America, is now one of the most outstanding centres in the world for the treatment of, and re...

A recursive model of the level and distribution of family income in Standard Metropolitan Statistical Areas is formulated and estimated. The model is related to both human capital and job competition models. Then, the impacts of changes in racial, educational, and industrial composition on the level and distribution of income are analyzed. DETERMINANTS OF THE' LEVEL AND DISTRIBUTION OF FAMILY I...

We investigate the symplectic geometric and also differential aspects of moduli space connections on a compact connected Riemann surface X . Fix theta characteristic K 1 / 2 ; it defines divisor M stable vector bundles rank r degree zero. Given bundle E ? lying outside divisor, we construct natural holomorphic connection that depends holomorphically Using this connection, canonical isomorphism ...