two oriental and western symbols are recorded in the memory of the world. kamal al-din behzad (1460-1535.a.d./ 865-942 a.h.) is the painter of iran's golden era and leonardo da vinci (1452-1519.a.d./ 857-925 a.h.) is the verstile artist of italian renaissance. the life stories of these two artists are more or les similar. during childhood, both experienced a hard time and during youth and adult...

Michigan-Dearborn. Prof. Su dedicated much of his precious time in giving guidance and provide leadership for this work. He always kept a good track of the progress by arranging weekly and monthly group meetings. His helpful advices, corrections and guidance helped steered me in the right the direction and finished this work successfully. I would also like to thank my fellow lab colleagues. The...

Science is relatively easy to de ne: it is the systematic study of how we, and the universe, function. Art, on the other hand, is much harder to de ne using words, but is perhaps an expression of our souls, of our inner beings. Put more simply, art is “who we are” and science is “how we are.” One of the more profound questions that we can ask is “how do these two cultures—medical sciences and a...

We define the wonderful compactification of an arrangement of subvarieties. Given a complex nonsingular algebraic variety Y and certain collection G of subvarieties of Y , the wonderful compactification YG can be constructed by a sequence of blow-ups of Y along the subvarieties of the arrangement. This generalizes the Fulton-MacPherson configuration spaces and the wonderful models given by De C...

Fix a nonsingular algebraic variety Y over an algebraically closed field (of arbitrary characteristic). An arrangement of subvarieties S is a finite collection of nonsingular subvarieties such that all nonempty scheme-theoretic intersections of subvarieties in S are again in S, or equivalently, such that any two subvarieties intersect cleanly and the intersection is either empty or a subvariety...