What's New in Math

What's New in Math was part of the American Mathematical Society's Website.

I wrote or edited a monthly column through January 2002; now I contribute sporadically.

The Feature columns are now accessible separately.

I still contribute to Math in the Media monthly. Chronological table of contents.

Tony's columns:

• Principal Component Analysis: Three examples and some Theory (08/21)
• Completing the Square: The prehistory of the quadratic formula (11/20)
• Topology and Elementary Electric Circuit Theory, II: Duality (05/19)
• Topology and Elementary Electric Circuit Theory, I (10/18)
• The Early History of Calculus Problems, II: Problems with Integrals (10/17)
• Surface topology in Bach's canons, II: The Torus (05/17); reposted in plus magazine.
• Surface topology in Bach's canons, I: The Möbius strip (10/16); reposted in plus magazine.
• The Early History of Calculus Problems (05/16)
• Hidden Symmetries of Labyrinths from Antiquity and the Middle Ages (10/15)
• Math and the Sewing Machine (05/15)
• The Topology of Impossible Spaces (10/14); reprinted in Mathematical Advances in Translation 2016, issue 2, 132-136
• The Knots in the Quipu, and in the Friar's Belt (05/14)
• Spherical Dodecahedral Space (10/13)
• Galileo's Arithmetic (05/13)
• William Thurston (10/12)
• Old Babylonian Multiplication and Reciprocal Tables (05/12)
• X-ray Crystallography and the Fourier Transform (10/11)
• How not to square the circle (05/11)
• Farey Numbers and the Magnetic Cactus (10/10)
• From Pascal's Triangle to the Bell-shaped Curve (05/10)
• A Non-Commutative Marriage System in the South Pacific (10/09)
• Simon Newcomb and "Natural Numbers" (Benford's Law) (05/09)
• Inside-out frieze symmetries in ancient Peruvian weavings (10/08)
• The Mathematics of Surveying: Part I (05/08)
• The Mathematics Behind Quantum Computing: Part II (06/07)
• The Mathematics Behind Quantum Computing: Part I (05/07)
• The Princess of Polytopia: Alicia Boole Stott and the 120-cell (10/06)
• The Octosphericon and the Cretan Maze (05/06)
• The Mathematical Uncertainty Principle (11/05)
• Topology of Venn Diagrams (06-07/05)
• Alberti's Perspective Construction (01/02)
• Topology and Verb Classes (12/01)
• Finite-dimensional Feynman Diagrams (11/01)
• The Romance of Double-Entry Bookkeeping (10/01)
• Latin Squares in Practice and in Theory II (09/01)
• Latin Squares in Practice and in Theory I (07-08/01)
• Fourier Analysis of Ocean Tides III (06/01)
• Fourier Analysis of Ocean Tides II (05/01)
• Fourier Analysis of Ocean Tides I (04/01)
• A new solution to the three body problem - and more (03/01) by Bill Casselman
• The Mathematical Study of Mollusk Shells (02/01)
• Celestial Mechanics on a Graphing Calculator (01/01)
• Packing Pennies in the Plane (12/00) by Bill Casselman
• The Mathematics of Communication (11/00)
• Mathematical Card Tricks (10/00) by Colm Mulcahy
• The Mathematics of Piano Tuning (09/00)
• Navigational Mathematics (07-08/00)
• The Catastrophe Machine (06/00)
• Visual Explanations in Mathematics (03/00)
• The ABC of DNA Computing (02/00)
• The Method of Archimedes (01/00)
• The Mathematical CAT Scan (12/99)
• Metonymy and Metaphor in Mathematics (11/99)
• The differential geometry of the Sphericon (10/99)
• Descartes' Lost Theorem (08-09/99)
• The most irrational number (07/99)
• Multiple Mathematical Intelligences (06/99)
• From Euclid and Euler to Public-key Codes (05/99)
• Knots and their Polynomials (04/99)
• Math and the Musical Offering (03/99)
• Gravitational Lensing and Geometric Lensing (02/99)