Quarterly of Applied Mathematics, Vol. 62, No. 2 (June 2004), pp. 323-335 (13 pages) Three results are reported in this work. The first addresses the four ' elemental-polygon' billiards with sides ...

This is a preview. Log in through your library . Abstract In this paper we are concerned with the problem of finding the global minimum of a concave function over a closed, convex, possibly unbounded ...

This is a preview. Log in through your library . Abstract The classical one-sector problem of optimal growth theory over an infinite horizon in continuous times with a convex-concave production ...

Changchun Yutai optics company can produce convex concave lenses according to drawing or request. 1.Materials of the lens can be K9 glass, fused silica,ZF3,F4 and so on( CDGM glass);(Also available ...

Let X₁, ..., X n be independent and identically distributed random vectors with a (Lebesgue) density f. We first prove that, with probability 1, there is a unique ...