Since their discovery by Mandelbrot (The Fractal Geometry of Nature, Freeman, New York, 1977), fractals have experienced considerable success in quantifying the complex structure exhibited by many natural patterns and have captured the imaginations of scientists and artists alike. With ever-widening appeal, they have been referred to both as ‘‘fingerprints of nature’’ (Nature 399 (1999) 422) an...

allamah tabatabai interprets the doctrine of attributive monotheism of god under the philosophical theory of the identity of god’s perfection attributes with his essence. because, in his view point, it is the only rational way for explanation of attributive monotheism. according to this theory, all divine perfection attributes are identical with each other and with god’s nature in external worl...

Mathematicians often speak of the unity of their subject. Such a unity from the 19th century origins in the history of linear ordinary differential equations, especially those closely connected with elliptic and modular functions. It is concerned with the impact of group theoretical and geometrical ideas upon the problem of understanding the nature of the solutions to a differential equation (s...

The 900 consultant paediatricians in Britain might occasionally pause to reflect that they have about 30 000 paediatrician colleagues within the European Community (EC). The total number in greater Europe between Lisbon and the Urals must approach six figures. The geographic and political map of the continent has radically changed during the last year and it is likely that colleagues working in...