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Characterizing Topologies By Classes Of Functions And Multifunctions, Alexander Hamlin Cramer
Characterizing Topologies By Classes Of Functions And Multifunctions, Alexander Hamlin Cramer
Doctoral Dissertations
"Topological spaces are characterized by the algebraic and topological structures of their classes of continuous selfmaps. The problem of determining the topology of a set given certain classes of multifunctions or relations is considered. The algebraic structure of the upper semicontinuous multifunctions is shown to determine the topology of T₁ spaces. A partial order for classes of topologies for the real numbers is defined and relationships between various classes are established"--Abstract, page ii.