In mathematics, Cahen's constant is defined as the value of an infinite series of unit fractions with alternating signs: C = ∑ i = 0 ∞ ( − 1 ) i s i −...

Eric W. "Mertens Constant". MathWorld. Weisstein, Eric W. "Universal Parabolic Constant". MathWorld. Weisstein, Eric W. "Cahen's Constant". MathWorld. Weisstein...

Cahen is a surname and/or a first name that may refer to: Cahen's constant, an infinite series of unit fractions, with alternating signs, derived from...

Iekata (2020-01-01). "Irrationality exponents of numbers related with Cahen's constant". Monatshefte für Mathematik. 191 (1): 53–76. doi:10.1007/s00605-019-01335-0...

compute. Bloch's constant (also 2nd Landau's constant): 0.4332 < B < 0.4719 1st Landau's constant: 0.5 < L < 0.5433 3rd Landau's constant: 0.5 < A ≤ 0.7853...

uses the same property to upper bound the size of certain groups. Cahen's constant Primary pseudoperfect number Leonardo number Sylvester (1880). This...

are called, respectively, a constant term and a constant polynomial. The degree of a constant term and of a nonzero constant polynomial is 0. The degree...

envoys to the Seljuk Sultan Alâeddin Kayqubad III, complaining about these constant assaults. Thus, the Sultan ordered Gündüz Alp to bring forth his young...

complete description of sources of the First Crusade is found in Claude Cahen's La Syrie du nord à l'époque des croisades et la principauté franque d'Antioche...

Taplinger, 1968), p. 294 Cahen, Pre-Ottoman Turkey, p. 295 Cahen, Pre-Ottoman Turkey, pp. 296f Cahen, Pre-Ottoman Turkey, p. 300 Cahen, Pre-Ottoman Turkey...

1218 had been Damascus. The city provided a strategic advantage in the constant war with the Crusaders and allowed the sultan to keep an eye on his relatively...

time, the Mamluks under Baibars were taking advantage of the kingdom's constant disputes, and began conquering the remaining crusader cities along the...

Additionally, around 1900 French chemists Henri Sévène and Emile David Cahen invented the modern strike-anywhere match, wherein the white phosphorus...

a non-integer value. Ascending factorial Cahen–Mellin integral Elliptic gamma function Lemniscate constant Pseudogamma function Hadamard's gamma function...

that Yuga Labs was entitled to recover all $1.3 million of Ripps' and Cahen's profits from the sale of the copycat NFTs, plus $200,000 in damages for...

between 1973 and 1974, was someone greatly admired by the President. Alfred Cahen, career diplomat and chef de cabinet of minister Henri Simonet, became a...

and Ethics. Vol. 7. Morrison and Gibb Limited. p. 72. Canard, Marius & Cahen, Claude (1965). "Diyār Mudar". In Lewis, B.; Pellat, Ch. & Schacht, J. (eds...

patent for the production of "cylindrical discrete carbon fibrils" with a "constant diameter between about 3.5 and about 70 nanometers..., length 102 times...

Ansiklopedisi (in Turkish). Retrieved 4 May 2025. Kafesoğlu 1989, p. 526. Cahen 1986, p. 420. Cahen, Claude (12 February 2024). "Alp-Arslan". Encyclopedia Britannica...

relations with Maximilian, with whose court the French headquarters was in constant strife. His first wife died while he was in Mexico. On 28 May 1865, while...

the nude, rented her a mansion in St. Petersburg, and thought of her constantly. Alexander II and Catherine went to great lengths to hide their relationship...

Persian epic poem of Bahman-nama, an Iranian mythological story about the constant battles between Kay Bahman and Rostam's family. This implies that the work...

reluctant to tell many hadith about Muhammad even though he had been constantly in his company. As he explained to his son Abdullah, "I heard Allah’s...

the dynastic feud lasted for almost a decade. The Ayyubids agreed near-constant truces with the Franks and offered territorial concessions to keep the...

as being close to a surface, then the vacuum level is typically not a constant due to the equilibrium electric fields in vacuum. The value of the vacuum...

artists working in the area and exhibited in the shop the paintings of Constant Troyon and Jean-François Millet, who, along with Jean-Baptiste Isabey and...

to a theorem on uniform convergence of Dirichlet series first proven by Cahen in 1894, the λ ( s ) {\displaystyle \lambda (s)} function is then analytic...

dangerous even for the dreamer. Jung's French translator, psychiatrist Roland Cahen, also stresses the danger of unrestrained amplification. Moreover, amplification...

Menander (160–135 BC), and to the guard of "five hundred Greeks" that constantly accompanies him. The Vanaparava of Mahabharata contains prophecies that...

opens a bar, gets married… But he cannot forget what he did. He lives in constant fear of getting caught by the police and his neighbors wonder about his...