Description: The Gathering, also referred to as G4Gn (n denoting the number in the series), is a biennial conference that started with G4G1 in 1993. Since the second conference in 1996 the meetings have typically been held every two years. At each Gathering, there are lectures, performance art, puzzle and book displays, close-up and stage magic acts, and guided sculpture building. Traditionally, each conference has a Gift Exchange in which attendees swap puzzles, magic tricks, artwork, mathematical papers, novelty items, books, etc.The following items were exchange gifts from several different Gatherings. Das gekrümmte Schachbrett (The Curved Chessboard) postcard by Sandro Del-PreteSandro Del-Prete (born 1937) is a Swiss artist who creates illusionary and surrealistic paintings. His style has been compared to M. C. Escher, though it lacks the latter's mathematical precision. 8-sided Flower Tower by Chris Palmer8-sided Flower Tower from a sheet of 8-inch square paper. Original design by Chris Palmer. Folded by Ravi Apte. MoMath Laser Cut Greeting CardsOnly one card is in the photo. Winners will receive three cards.Longest Shortest Path Postcard by Thane PlambeckLongest shortest paths in random Cartesian mazes. Each internal unit-length edge was chosen to exist independently at random with probability 4/9. Philatelic 12s for G4G12 CD by Michael TanoffThis paper presents philatelic items --- postage stamps, postmarks, postcards, etc. --- of mathematical content related specifically to the number twelve. Make Your Own 7-Color Torus by Susan GoldstineIt is common knowledge that any map can be colored with four colors so that no adjacent countries are the same color. But this result comes with some very important fine print: the Four Color Theorem applies to maps on a plane or sphere, but on more complicated surfaces, all bets are off. On a torus (a doughnut-shaped surface), any may can be colored with seven colors, and amazingly there are maps for which you must use all seven colors! Rendering Hendecagrams by Scott VorthmannThe figure is a hendecagon, a regular 11-sided polygon, in combination with all four of its inscribed hendecagrams. The figure is entirely generated by a Python program. Z.Zerpent 3, 9, ..., printing by Jack Holloway, numbered and signed by Bill Gosper
Price: 14 USD
Location: Burlingame, California
End Time: 2024-11-20T18:00:01.000Z
Shipping Cost: 0 USD
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All returns accepted: ReturnsNotAccepted
Type: Paper Art
