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Pseudomathematics, or mathematical crankery, is a mathematics-like activity that does not adhere to the framework of rigor of formal mathematical practice. Common areas of pseudomathematics are solutions of problems proved to be unsolvable or recognized as extremely hard by experts, as well as attempts to apply mathematics to non-quantifiable ...
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In mathematics, pseudoanalytic functions are functions introduced by Lipman Bers (1950, 1951, 1953, 1956) that generalize analytic functions and satisfy a weakened form of the Cauchy–Riemann equations.
The book consists of 57 essays, [2] loosely organized by the most common topics in mathematics for cranks to focus their attention on. [1] The "top ten" of these topics, as listed by reviewer Ian Stewart, are, in order: squaring the circle, angle trisection, Fermat's Last Theorem, non-Euclidean geometry and the parallel postulate, the golden ratio,
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In mathematics, a pseudogroup is a set of homeomorphisms between open sets of a space, satisfying group-like and sheaf-like properties. It is a generalisation [dubious – discuss] of the concept of a group, originating however from the geometric approach of Sophus Lie [1] to investigate symmetries of differential equations, rather than out of abstract algebra (such as quasigroup, for example).
Dudley was born in New York City.He received bachelor's and master's degrees from the Carnegie Institute of Technology and a PhD from the University of Michigan.His academic career consisted of two years at Ohio State University followed by 37 years at DePauw University, from which he retired in 2004.