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Les nombres transcendants

D. Bertrand, M. Emsalem, F. Gramain, M. Huttner, M. Langevin, M. Laurent, M. Mignotte, J.-C. Moreau, P. Philippon, E. Reyssat, M. Waldschmidt (1984)

Mémoires de la Société Mathématique de France

Les réseaux B W 32 et U 32 sont équivalents

Pierre Loyer, Patrick Solé (1994)

Journal de théorie des nombres de Bordeaux

On montre que le réseau de Barnes-Wall de rang 32 est équivalent au réseau à double congruence U 32 de Martinet. La preuve utilise la notion de voisinage de Kneser et des résultats de Koch et Venkov sur le défaut du voisinage (“Nachbardefekt”).

Leudesdorf's theorem and Bernoulli numbers

I. Sh. Slavutsky (1999)

Archivum Mathematicum

For m , ( m , 6 ) = 1 , it is proved the relations between the sums W ( m , s ) = i = 1 , ( i , m ) = 1 m - 1 i - s , s , and Bernoulli numbers. The result supplements the known theorems of C. Leudesdorf, N. Rama Rao and others. As the application it is obtained some connections between the sums W ( m , s ) and Agoh’s functions, Wilson quotients, the indices irregularity of Bernoulli numbers.

Levels of Distribution and the Affine Sieve

Alex Kontorovich (2014)

Annales de la faculté des sciences de Toulouse Mathématiques

We discuss the notion of a “Level of Distribution” in two settings. The first deals with primes in progressions, and the role this plays in Yitang Zhang’s theorem on bounded gaps between primes. The second concerns the Affine Sieve and its applications.

Levels of rings - a survey

Detlev W. Hoffmann (2016)

Banach Center Publications

Let R be a ring with 1 ≠ 0. The level s(R) of R is the least integer n such that -1 is a sum of n squares in R provided such an integer exists, otherwise one defines the level to be infinite. In this survey, we give an overview on the history and the major results concerning the level of rings and some related questions on sums of squares in rings with finite level. The main focus will be on levels of fields, of simple noncommutative rings, in particular division rings, and of arbitrary commutative...

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