Zhou and Bakker Reply

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.

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....

Zhonghe Zhou

Photo: Liwang Jin, Xinhua News Agency. Zhonghe Zhou began his career at Nanjing University in 1982, studying paleontology and stratigraphy. He received a Master of Science from the Graduate School of the Chinese Academy of Sciences (CAS), after which he went on to work at the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) CAS in Beijing, before attending graduate school at th...

Jizhong Zhou

Zhou, H