[math-fun] €8,000 (~$10,000) prizes on magic squares

While magic squares have been known and studied for many centuries, it is surprising that for certain types of magic squares we still do not know today which are the SMALLEST possible! In an effort to make progress on these unsolved problems, twelve prizes totaling €8,000 (~$10,000) and twelve bottles of champagne are offered for the solutions to twelve enigmas. Details here: www.multimagie.com/English/MagicSquaresEnigmasE.pdf Christian Boyer. www.multimagie.com/indexengl.htm