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A graph that shows the number of balls in and out of the vase for the first ten iterations of the problem. The Ross–Littlewood paradox (also known as the balls and vase problem or the ping pong ball problem) is a hypothetical problem in abstract mathematics and logic designed to illustrate the paradoxical, or at least non-intuitive, nature of infinity.
The ping-pong lemma was a key tool used by Jacques Tits in his 1972 paper [2] containing the proof of a famous result now known as the Tits alternative. The result states that a finitely generated linear group is either virtually solvable or contains a free subgroup of rank two.
The name "ping-pong" then came to describe the game played using the rather expensive Jaques's equipment, with other manufacturers calling it table tennis. A similar situation arose in the United States, where Jaques sold the rights to the "ping-pong" name to Parker Brothers .
In a typical Ganzfeld experiment, a "receiver" is placed in a room relaxing in a comfortable chair with halved ping-pong balls over the eyes, having a red light shone on them. The receiver also wears a set of headphones through which white or pink noise (static) is played. The receiver is in this state of mild sensory deprivation for half an hour.
The ping-pong scheme described in Transaction Processing [1] eliminates this problem by alternately writing the contents of said (logical) last page to two different physical pages inside the log file (the actual last page i and its empty successor i+1).
This glossary defines terms related to the sport of table tennis.. Alternation of ends After each game, players switch sides of the table. In the last possible game of a match, for example the seventh game in a best of seven matches, players change ends when the first player scores five points, regardless of whose turn it is to serve.
Seemiller began playing table tennis as an early adolescent in the 1960s. By 1972, he was the top player on the U.S. Men's National Team. He won five United States Men's Singles Championships (1976, 1977, 1980, 1982, and 1983).
Ping-pong diplomacy became one of the most prominent examples of people's diplomacy in the context of China-United States relations. [10]: 9 In 1988, table tennis became an Olympic sport. Ping-pong diplomacy was referenced in the 1994 film Forrest Gump. After suffering injuries in battle, Forrest develops an aptitude for the sport and joins the ...