80 Years of Gardner Magic

The magician and historiam Max Maven poignantly eulogized Martin Gardner in his article In Memoriam in the July 2010 issue of GENII magazine. Commenting on the diverse interests of Gardner in non-fiction, puzzles, recreational mathematics, philosophy, games, skepticism, word play and magic, Maven noted: So far as is known, the final Gardner publication during his lifetime was a magic trick that he contributed to the May 2010 issue of Word Ways, a quarterly journal with a small but fervent readership. I will mention, without humility, that the trick was based on one of mine -- which in turn was based on one of Martin\u27s

Flying Saucer

Jeremiah\u27s puzzle Flying Saucer , which was exchanged at the 2013 International Puzzle Party in Washington, DC. 100 puzzle designers create 100 copies of their puzzle and pass it out at the party and exchange them. This puzzle is also manufactured by Walter Hoppe as Flying Saucer

The French Resolution

Jeremiah\u27s puzzle The French Resolution , which was exchanged at the 2017 International Puzzle Party in Paris, France. 100 puzzle designers create 100 copies of their puzzle and pass it out at the party and exchange them. This puzzle is also manufactured by Kadon Enterprises, Inc. as The French Resolution

Nightmares

Jeremiah\u27s puzzle Nightmare , which was exchanged at the 2013 Washington, DC International Puzzle Party. 100 puzzle designers create 100 copies of their puzzle and pass it out at the party and exchange them. This puzzle was a special puzzle gift that was given to IPP32 exchangers by its designer, Jerry Farrell, in memory of longtime IPP member, Tom Rodgers, Jr

Scrambled Squares

Jeremiah\u27s puzzle Scrambled Squares , which was exchanged at the 2015 Ottawa International Puzzle Party. 100 puzzle designers create 100 copies of their puzzle and pass it out at the party and exchange them. This puzzle is also manufactured by Kate Jones as Scrambled Squares

The Farrell-Hsiang method revisited

We present a sufficient condition for groups to satisfy the Farrell-Jones Conjecture in algebraic K-theory and L-theory. The condition is formulated in terms of finite quotients of the group in question and is motivated by work of Farrell-Hsiang.Comment: This version is different from the published version. A number of typos and an incorrect formula for the transfer before Lemma 6.3 pointed out by Holger Reich have been correcte

An Inscrutable Magic Square

The constant anagrams on every row, column, and all diagonals

Martin Gardner\u27s Word Magic Enthralls Broad Ripple Teens

Butler University was host on September 18, 2009 to 25 students of Peggy Boulden\u27s class from Broad Ripple High School in Indianapolis. The students were all mathematically astute and we wanted to show them something new and decided to present a Martin Gardner magic effect