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Thue published his first important paper in 1909. [1] He stated in 1914 the so-called word problem for semigroups or Thue problem, closely related to the halting problem. [2] His only known PhD student was Thoralf Skolem. The esoteric programming language Thue is named after him.
Lê Anh Tú was born in 1981 in Ky Van commune, Ky Anh district, Ha Tinh province, Vietnam. [1] He was the second child in a family of four children. In 1994, he moved with his family to Ia To commune, Ia Grai district, Gia Lai province. [2] In Gia Lai, after completing high school, he went to fulfill his military service for three years.
[1] The first known proof is attributed to Axel Thue [2] who used a pigeonhole argument. [3] It can be used to prove Fermat's theorem on sums of two squares by taking m to be a prime p that is congruent to 1 modulo 4 and taking a to satisfy a 2 + 1 ≡ 0 mod p. (Such an "a" is guaranteed for "p" by Wilson's theorem. [4])
It can also be seen as a restricted kind of a term rewriting system, in which all function symbols have an arity of at most 1. As a formalism, string rewriting systems are Turing complete. [1] The semi-Thue name comes from the Norwegian mathematician Axel Thue, who introduced systematic treatment of string rewriting systems in a 1914 paper. [2]
Chử Đồng Tử (Chữ Hán: 褚童子) is the name of a famous Vietnamese divine being, one of "The Four Immortals" "Tứ bất tử" in traditional Vietnamese mythology. [1] In legend Chử Đồng Tử appeared on a yellow or golden dragon to Triệu Quang Phục the sixth-century resistance leader.
In mathematics, a Thue equation is a Diophantine equation of the form f ( x , y ) = r , {\displaystyle f(x,y)=r,} where f {\displaystyle f} is an irreducible bivariate form of degree at least 3 over the rational numbers , and r {\displaystyle r} is a nonzero rational number.
Ma Yin was named regional governor by the Tang court in 896 after fighting against a rebel named Yang Xingmi. He declared himself as the Prince of Chu with the fall of the Tang dynasty in 907. Ma's position as Prince of Chu was confirmed by the Later Tang in the north in 927 and was given the posthumous title of King Wumu of Chu.
Chữ Nôm (𡨸喃, IPA: [t͡ɕɨ˦ˀ˥ nom˧˧]) [5] is a logographic writing system formerly used to write the Vietnamese language.It uses Chinese characters to represent Sino-Vietnamese vocabulary and some native Vietnamese words, with other words represented by new characters created using a variety of methods, including phono-semantic compounds. [6]