Mathematics magazine

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  Año 1993, Vol. 66, Número 1

  • Mathematical building blocks

    A. Shenitzer, I. Kleiner

    págs. 3-13

    

  • Proof without words

    Sidney H. Kung

    pág. 13

    

  • Optimal leapfrogging

    Arthur T. Benjamin, Joel Auslander

    págs. 14-19

    

  • The Catalan numbers visit the World Series

    Lou Shapiro, Wallace Hamilton

    págs. 20-22

    

  • On the converse of Lagrange's theorem

    Joseph A. Gallian

    pág. 23

    

  • Rational triangles

    Keith Selkirk

    págs. 24-27

    

  • How many mating units are needed to have a positive probability of survival?

    David M. Hull

    págs. 28-33

    

  • A curious sequence

    Roger G. Lautzenheiser, Herb Bailey

    págs. 34-35

    

  • On finite abelian groups and parallel edges

    Sandor Szabo

    págs. 36-39

    

  • Proof without words

    Richard M. Beekman

    pág. 39

    

  • A quick solution of triangle counting

    Leonard M. Smiley

    pág. 40

    

  • Extensions of a sums-of-squares problem

    Francis Masat, Kelly Jackson

    págs. 41-43

    

  • A reformulation of the Goldbach conjecture

    Larry J. Gerstein

    págs. 44-45

    

  • A lesser-known Goldbach conjecture

    Laurent Hodges

    págs. 45-47

    

  • The remarkable number 648

    Robert O. Stanton

    págs. 48-55