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  2. Hilbert's tenth problem - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_tenth_problem

    Hilbert's tenth problem is the tenth on the list of mathematical problems that the German mathematician David Hilbert posed in 1900. It is the challenge to provide a general algorithm that, for any given Diophantine equation (a polynomial equation with integer coefficients and a finite number of unknowns), can decide whether the equation has a solution with all unknowns taking integer values.

  3. Hilbert's problems - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_problems

    As with the Hilbert problems, one of the prize problems (the Poincaré conjecture) was solved relatively soon after the problems were announced. The Riemann hypothesis is noteworthy for its appearance on the list of Hilbert problems, Smale's list, the list of Millennium Prize Problems, and even the Weil conjectures, in its geometric guise.

  4. Julia Robinson - Wikipedia

    en.wikipedia.org/wiki/Julia_Robinson

    Julia Hall Bowman Robinson (December 8, 1919 – July 30, 1985) was an American mathematician noted for her contributions to the fields of computability theory and computational complexity theory—most notably in decision problems. Her work on Hilbert's tenth problem (now known as Matiyasevich's theorem or the MRDP theorem) played a crucial ...

  5. Yuri Matiyasevich - Wikipedia

    en.wikipedia.org/wiki/Yuri_Matiyasevich

    In 1972, at the age of 25, he defended his doctoral dissertation on the unsolvability of Hilbert's tenth problem. [7] From 1974 Matiyasevich worked in scientific positions at LOMI, first as a senior researcher, in 1980 he headed the Laboratory of Mathematical Logic.

  6. Diophantine set - Wikipedia

    en.wikipedia.org/wiki/Diophantine_set

    Matiyasevich's theorem, also called the Matiyasevich–Robinson–Davis–Putnam or MRDP theorem, says: . Every computably enumerable set is Diophantine, and the converse.. A set S of integers is computably enumerable if there is an algorithm such that: For each integer input n, if n is a member of S, then the algorithm eventually halts; otherwise it runs forever.

  7. Kids' eyesight is getting worse. Special contact lenses may ...

    www.aol.com/kids-eyesight-getting-worse-special...

    Especially as the problem appears to be getting worse among U.S. children. Myopia rates in the U.S. have skyrocketed over the past 50 years, from 25% in the 1970s to nearly 42% in 2017, according ...

  8. Gödel's incompleteness theorems - Wikipedia

    en.wikipedia.org/wiki/Gödel's_incompleteness...

    Franzén (2005) explains how Matiyasevich's solution to Hilbert's 10th problem can be used to obtain a proof to Gödel's first incompleteness theorem. [11] Matiyasevich proved that there is no algorithm that, given a multivariate polynomial p(x 1, x 2,...,x k) with integer coefficients, determines whether there is an integer solution to the ...

  9. 270 Reasons Women Choose Not To Have Children - The ...

    data.huffingtonpost.com/2015/07/choosing-childfree

    The number of childfree women is at a record high: 48 percent of women between the ages of 18 and 44 don’t have kids, according to 2014 Census numbers. The Huffington Post and YouGov asked 124 women why they choose to be childfree.