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单词 goldbach conjecture
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Goldbach conjecture
attributive and in the genitive, esp. in Goldbach conjecture. Either of two conjectures of Goldbach regarding the expression of positive even numbers as the sums of prime numbers; esp. that every such number can be expressed as the sum of two prime numbers.In later use the conjecture that every positive even number can be expressed as the sum of two primes is sometimes called Goldbach's strong conjecture or the strong Goldbach conjecture, to distinguish it from a related conjecture that all odd numbers greater than seven can be expressed as the sum of three primes. This second conjecture (which follows from the first) is sometimes known as Goldbach's weak conjecture, the weak Goldbach conjecture, or Goldbach's ternary conjecture, and was proved to be true in 2013 by Peruvian mathematician Harald Helfgott.Goldbach's conjecture was first stated in correspondence between himself and Swiss mathematician Leonhard Euler (1707–83). For this reason, older literature often calls the conjecture the Goldbach–Euler conjecture (see quot. 1887).
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the world > relative properties > number > mathematics > [noun] > mathematical enquiry > proposition > specific conjecture
Goldbach1902
Riemann hypothesis1918
Waring's problem1920
Poincaré conjecture1938
Church's theorem1939
Church's thesis1954
1887 Johns Hopkins Univ. Circulars Apr. 27/1 Shortly before he [sc. Prof. Sylvester] died he was hopeful of being able to prove the Goldbach-Euler conjecture that every even number can be partitioned into two primes.]
1902 Bull. Amer. Math. Soc. 8 457 After an exhaustive discussion of Riemann's prime number formula, perhaps we may sometime be in a position to attempt the rigorous solution of Goldbach's problem.
1923 Math. Teacher 16 261 The Goldbach theorem for even numbers stands before us still as a challenge to our ingenuity.
1932 Amer. Math. Monthly 39 157 Euler definitely states that Goldbach had communicated to him the proposition (now known as Goldbach's conjecture).
1974 Philos. & Phenomenological Res. 34 599 It is impossible mathematically to prove a counter-example to Goldbach's conjectures.
1997 Jrnl. Number Theory 65 334 Goldbach's Ternary Conjecture..asserts that any odd number (≥9) can be expressed as a sum of three prime numbers.
2003 Amer. Math. Monthly 110 208 The strong Goldbach conjecture implies Erdős's conjecture.
2012 @AlgebraFact 20 Oct. in twitter.com (O.E.D. Archive) Vinogradov proved there are at most a finite number of exceptions to the Goldbach conjecture.
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