Prof. C. J. Bakker

Prof. Dr. Prof. Prof.

De Bakker-Zucker processes revisited

The sets of compact and of closed subsets of a metric space endowed with the Hausdorr metric are studied. Both give rise to a functor on the category of 1-bounded metric spaces and nonexpansive functions. It is shown that the former functor has a terminal coalgebra and that the latter does not.

6 . 042 J / 18 . 062 J , Fall ’ 05 : Mathematics for Computer Science October 3 Prof . Albert

A 1994 University of Chicago study entitled The Social Organization of Sexuality found that on average men have 74% more opposite­gender partners than women, confirming a view that men are more promiscuous. But whoever reported this finding was lying or confused! We’ll show you how to use the properties of vertex degrees in a graph to prove this. Let’s recast opposite­gender partnering in graph...

Dr. C. J. C. Earl

Bakker and Sevenster-gasterosteus Plate Morphs

MILLER, R. R., AND C. L. HUBBS. 1969. Systematics of Gasterosteus aculeatus, with particular reference to intergradation and introgression along the Pacific coast of North America: a commentary on a recent contribution. Copeia 1969:52-69. MOODIE, G. E. E., AND T. E. REIMCHEN. 1976. Phenetic variation and habitat differences in Gasterosteus populations of the Queen Charlotte Islands. Syst. Zool....