THERE are several excellent treatises dealing exhaustively with modern ideas of geometry and analysis, but the bulk and difficulty of these works repel those who are not specialists. The University of ...

THE title of this essay suggests a number of distinct problems. We may ask what the postulates of geometry are, or we may seek the source of our knowledge of them; in the latter inquiry, again, we may ...

From left to right, research scientist Sanu Mishra, graduate student Rose Albu Mustaf, and Emilia Morosan. Rice University physicist Emilia Morosan is part of an international research collaboration ...