Sabeeha Merchant

Profile of Sabeeha Merchant.

Organic molecules dominate the biological world, yet many of life’s critical molecular reactions depend on metals for catalysis. Sabeeha Merchant, a professor of biochemistry at the University of California, Los Angeles (UCLA), studies how cells keep track of crucial trace nutrients like iron and copper. Her early work on Chlamydomonas reinhardtii, a single-celled alga that, like all plants, pr...

S. Fernández-Merchant †

Even the most superficial glance at the vast majority of crossing-minimal geometric drawings of Kn reveals two hard-to-miss features. First, all such drawings appear to be 3-fold symmetric (or simply 3-symmetric) . And second, they all are 3-decomposable, that is, there is a triangle T enclosing the drawing, and a balanced partition A,B,C of the underlying set of points P , such that the orthog...

The merchant subtour problem

We consider the problem of a travelling merchant that makes money by buying commodities where they are cheap and selling them in other places where he can make a profit. The merchant ships commodities of his own choice in a van of fixed capacity. Given the prices of all the commodities in all of the places, and the cost of driving from one place to another, the problem the merchant faces each d...

Definitions for Autonomous Merchant Ships

Tamil Merchant in Ancient Mesopotamia

Recent analyses of ancient Mesopotamian mitochondrial genomes have suggested a genetic link between the Indian subcontinent and Mesopotamian civilization. There is no consensus on the origin of the ancient Mesopotamians. They may be descendants of migrants, who founded regional Mesopotamian groups like that of Terqa or they may be merchants who were involved in trans Mesopotamia trade. To ident...