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The case originally considered by Carl Friedrich Gauss was the quadratic Gauss sum, for R the field of residues modulo a prime number p, and χ the Legendre symbol.In this case Gauss proved that G(χ) = p 1 ⁄ 2 or ip 1 ⁄ 2 for p congruent to 1 or 3 modulo 4 respectively (the quadratic Gauss sum can also be evaluated by Fourier analysis as well as by contour integration).
In number theory, quadratic Gauss sums are certain finite sums of roots of unity. A quadratic Gauss sum can be interpreted as a linear combination of the values of the complex exponential function with coefficients given by a quadratic character; for a general character, one obtains a more general Gauss sum.
Liang published Phan's 1905 work Việt Nam vong quốc sử (History of the Loss of Vietnam) and intended to distribute it in China and abroad, but also to smuggle it into Vietnam. Phan wanted to rally people to support the cause for Vietnamese independence; the work is regarded as one of the most important books in the history of Vietnam's ...
President Ngo Dinh Diem and family at his home in Hue (Central Viet Nam).jpg; President Ngo Dinh Diem on an inspection tour 350 km from Saigon (December, 1956).jpg; Portrait of Ngô Đình Diệm, from the book Ngo Dinh Diem of Viet-Nam.jpg; President Ngo Dinh Diem with the troops who defeated the Binh-Xuyen at Rung-Sat (May, 1955).jpg
Nguyễn Cao Kỳ (Vietnamese pronunciation: [ŋwiən˦ˀ˥ kaːw˧˧ ki˨˩] ⓘ; 8 September 1930 – 23 July 2011) [1] [2] was a South Vietnamese military officer and politician who served as the chief of the Republic of Vietnam Air Force in the 1960s, before leading the nation as the prime minister of South Vietnam in a military junta from 1965 to 1967.
Nguồn - possibly Mường group, officially classified as a Việt (Kinh) group by the government, Nguồn themselves identify with Việt ethnicity; their language is a member of the Viet–Muong branch of the Vietic sub-family. Sui (Người Thủy) - officially classified as Pa Then people.
Map of Vietnam showing the conquest of the south (nam tiến, 1069–1834)Nam tiến (Vietnamese: [nam tǐən]; chữ Hán: 南進; lit. "southward advance" or "march to the south") is a historiographical concept [a] [2] that describes the historic southward expansion of the territory of Vietnamese dynasties' dominions and ethnic Kinh people from the 11th to the 19th centuries.
SS Viet-Nam was an Ocean Liner built in Dunkirk, France for Messageries Maritimes in 1953. Viet-Nam was built along with two sister ships, the SS Cambodge and SS Laos (all three were nicknamed 'les blancs'/the 'whites' by their crews, because of their colour).