%0 Book Section %@ 978-3-540-38144-0 %A Casti, J. %A Swain, H. %B Optimization Techniques Modeling and Optimization in the Service of Man Part 1 %C Germany %D 1975 %E Cea, J. %F iiasa:14264 %I Springer Berlin Hiedelberg %N 40 %P 388-406 %R 10.1007/3-540-07622-0_483 %S Lecture Notes in Computer Science, %T Catastrophe theory and urban processes %U https://pure.iiasa.ac.at/id/eprint/14264/ %V 40 %X Phenomena exhibiting discontinuous change, divergent processes, and hysteresis can be modelled with catastrophe theory, a recent development in differential topology. Exposition of the theory is illustrated by qualitative interpretations of the appearance of functions in central place systems, and of price cycles for urban housing.