This paper explores the consequences of Wyszecki's hypothesis concerning metameric stimuli, that any radiometric function (column matrix N) comprises two components -- a fundamental metamer (column ...

Unlock the fascinating world of geometry as we explore every complex shape explained in clear, simple terms. From polygons and polyhedra to spirals, fractals, and impossible-looking structures, this ...

In this paper necessary conditions are given for a complete Riemannian manifold $M^n$ to admit an isometric immersion into $R^{n + p}$ with parallel second ...

THIS book contains a series of lectures on some of the fundamental principles of mathematics, treated from the most recent and scientific point of view; that is, mainly with reference to their ...