Mathematics magazine

• 

  Año 1993, Vol. 66, Número 4

  • Coloring ordinary maps, maps of empires, and maps of the moon

    Joan P. Hutchinson

    págs. 211-226

    

  • On tangents

    Hugh Thurston

    págs. 227-235

    

  • Coordinate systems and primitive maps

    John A. Baker

    págs. 236-237

    

  • The marriage lemma for polygamists

    Franklin Lowenthal, Clark Benson

    págs. 238-242

    

  • On the limitations of a well-known integration technique

    Dennis Bell

    págs. 243-244

    

  • A new proof of the arithmetic-geometric mean inequality

    Norman Schaumberger, Mihály Bencze

    pág. 245

    

  • Did the young Volterra know about Cantor?

    David Gauld

    págs. 246-247

    

  • Classification of finite rings of order p

    Benjamin Fine

    págs. 248-252

    

  • A relation between the Jacobian and certain generalized Wronskians

    Kenneth Wolsson

    págs. 253-254

    

  • A surprising application of the integral ...(1-F(x))dx to revenue projection

    Allan Kroopnick

    págs. 254-255

    

  • Monotonic numbers

    Charles Nicol, Richard Blecksmith

    págs. 257-262

    

  • Geometric proofs of some recent results of Yang Lu

    Grant Cairns, Margaret McIntyre

    págs. 263-265

    

  • Reviews

    Paul J. Campbell

    pág. 274