Cahen's constant, an infinite series of unit fractions, with alternating signs, derived from Sylvester's sequence
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Albert Cahen d'Anvers (8 January 1846, Antwerp – 27 February 1903, La Turbie) was a French composer best known for light opera.
Simon Plouffe gives an infinite collection of identities between the trigamma function, π2 and Catalan's constant; these are expressible as paths on a graph.
where is the number of magnetic atoms (or molecules) per unit volume, is the Landé g-factor, (9.27400915e-24 J/T or A·m2) is the Bohr magneton, is the angular momentum quantum number and is Boltzmann's constant.
Enrique Cahen Salaberry (born 12 October 1911 - 29 June 1991 in Buenos Aires) was a prolific Argentine film director whose career in the Cinema of Argentina as a movie director spanned five decades.
Fritz Max Cahén had one son that same year, artist Oscar Cahén.
Alan Baker and Gisbert Wüstholz, Logarithmic Forms and Diophantine Geometry, New Mathematical Monographs 9, Cambridge University Press, 2007, ISBN 978-0-521-88268-2
On the other hand, the Compton wavelength, , where h is Planck's constant, represents a limit on the minimum size of the region in which a mass M at rest can be localized.
where Q is a quantity that represents the amount of electricity present at each of the two points, and ke is Coulomb's constant.
Paul Davies and collaborators have suggested that it is in principle possible to disentangle which of the dimensionful constants (the elementary charge, Planck's constant, and the speed of light) of which the fine-structure constant is composed is responsible for the variation.