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My two biggest passions concerning computers are hardware and gaming. I wrote this book because I don’t want that important pieces of history regarding computer hardware, games and, in a smaller amount the 80’s operating systems to be forgotten and lost. I want everyone to appreciate the hardware and software industry and especially the people behind them as they worked many days and nights to deliver us fast and advanced computers and entertaining and complex games.
Modern architecture flourished in Romania between the two World Wars, and is still visible as a neglected and almost forgotten past amid the contradictions of present day Bucharest. Much of the text is based on archival research in Bucharest.
The most general construction of double affine Artin groups (DAAG) and Hecke algebras (DAHA) associates such objects to pairs of compatible reductive group data. We show that DAAG/DAHA always admit a faithful action by auto-morphisms of a finite index subgroup of the Artin group of type A2, which descends to a faithful outer action of a congruence subgroup of SL(2, Z)or PSL(2, Z). This was previously known only in some special cases and, to the best of our knowledge, not even conjectured to hold in full generality. It turns out that the structural intricacies of DAAG/DAHA are captured by the underlying semisimple data and, to a large extent, even by adjoint data; we prove our main result by...
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