Displaying 1681 – 1700 of 2016

Showing per page

Sums of Powered Characteristic Roots Count Distance-Independent Circular Sets

Zdzisław Skupień (2013)

Discussiones Mathematicae Graph Theory

Significant values of a combinatorial count need not fit the recurrence for the count. Consequently, initial values of the count can much outnumber those for the recurrence. So is the case of the count, Gl(n), of distance-l independent sets on the cycle Cn, studied by Comtet for l ≥ 0 and n ≥ 1 [sic]. We prove that values of Gl(n) are nth power sums of the characteristic roots of the corresponding recurrence unless 2 ≤ n ≤ l. Lucas numbers L(n) are thus generalized since L(n) is the count in question...

Super boson-fermion correspondence

Victor G. Kac, J. W. Van de Leur (1987)

Annales de l'institut Fourier

We establish a super boson-fermion correspondence, generalizing the classical boson-fermion correspondence in 2-dimensional quantum field theory. A new feature of the theory is the essential non-commutativity of bosonic fields. The superbosonic fields obtained by the super bosonization procedure from super fermionic fields form the affine superalgebra g ˜ l 1 | 1 . The converse, super fermionization procedure, requires introduction of the super vertex operators. As applications, we give vertex operator constructions...

Sur la formule d’inversion de Lagrange

Charles Delorme (2007)

Annales de la faculté des sciences de Toulouse Mathématiques

On se propose de démontrer que la formule d’inversion de Lagrange est encore valide sur un anneau commutatif, même pour une série ayant quelques termes à coefficients nilpotents avant le terme de degré 1 (dont le coefficient est inversible). On n’use que de techniques algébriques.

Sur la marche du cavalier

Fritz Hofmann (1886)

Nouvelles annales de mathématiques : journal des candidats aux écoles polytechnique et normale

Sur les combinaisons simples

Désiré André (1871)

Nouvelles annales de mathématiques : journal des candidats aux écoles polytechnique et normale

Currently displaying 1681 – 1700 of 2016