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Klee, Victor – Two-Year College Mathematics Journal, 1971
This article presents some easily stated but unsolved geometric problems. The three sections are entitled: Housemoving, Manholes and Fermi Surfaces" (convex figures of constant width), Angels, Pollen Grains and Misanthropes" (packing problems), and The Four-Color Conjecture and Organic Chemistry." (MM)
Descriptors: College Mathematics, Geometric Concepts, Mathematics, Networks
Peer reviewed Peer reviewed
Patterson, E. M. – Mathematical Spectrum, 1971
The basic ideas of the theory of manifolds is illustrated using elementary geometry. (MM)
Descriptors: College Mathematics, Geometric Concepts, Mathematical Models, Mathematics