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In computer science and mathematical logic, satisfiability modulo theories (SMT) is the problem of determining whether a mathematical formula is satisfiable.It generalizes the Boolean satisfiability problem (SAT) to more complex formulas involving real numbers, integers, and/or various data structures such as lists, arrays, bit vectors, and strings.
On August 28, 2009, SquareTrade published a report saying that "early indications point to the RROD problem abating in 2009", projecting that 1-year failure rates with the release of the Jasper chipsets might be below 4%, with actual fail rates for RROD problems at slightly above 1% in Q109, and total failure rates for all hardware problems at ...
For Tarski's problem about the elementary theory of free groups see free group. Tarski's circle-squaring problem; Tarski's plank problem; Tarski's exponential function problem; Tarski monster group; Tarski's high school algebra problem
Frobenius coin problem with 2-pence and 5-pence coins visualised as graphs: Sloping lines denote graphs of 2x+5y=n where n is the total in pence, and x and y are the non-negative number of 2p and 5p coins, respectively.
Therefore, the free-rider problem, according to most scholars, is expected to be an ongoing public issue. [citation needed] For example, Albert O. Hirschman believed that the free-rider problem is a cyclical one for capitalist economies. Hirschman considers the free-rider problem to be related to the shifting interests of people.
In cosmology, the cosmological constant problem or vacuum catastrophe is the substantial disagreement between the observed values of vacuum energy density (the small value of the cosmological constant) and the much larger theoretical value of zero-point energy suggested by quantum field theory.
Set partitioning problem—These have an exponential number of binary variables which are each associated with a different feasible circuit. The VRP is then instead formulated as a set partitioning problem which asks what is the collection of circuits with minimum cost that satisfy the VRP constraints.
Margaret Woodrow Wilson (April 16, 1886 – February 12, 1944) was the eldest child of U.S. President Woodrow Wilson and Ellen Louise Axson.After her mother, Ellen's death in 1914, Margaret served her father as the White House social hostess, [1] the title later known as first lady, acting in this capacity until her father remarried in 1915.