— 1409 articles found.

From Dedekind’s Group Determinant to the Isomorphism Problem

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (4) 1999, pp. 97–126
Vol.21 (4) 1999
K.W. Roggenkamp Details
(Received: 1998-11-01 )
(Received: 1998-11-01 )

K.W. Roggenkamp

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Representations of orders; lattices; algebras over commutative rings 16G30

PDF(click to download): From Dedekind's Group Determinant to the Isomorphism Problem

On the irrational quartic algebra

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (3) 1999, pp. 91–96
Vol.21 (3) 1999
S.G. Walters Details
(Received: 1998-10-22 )
(Received: 1998-10-22 )

S.G. Walters

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords: C*-algebra, Chern characters, K-theory, automorphisms, rotation algebras, unbounded traces

AMS Subject Classification: $K_0$ as an ordered group; traces, Automorphisms, K-theory and operator algebras -including cyclic theory 19K14, 46L40, 46L80

PDF(click to download): On the irrational quartic algebra

Euler polynomials at rational numbers

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (3) 1999, pp. 87–90
Vol.21 (3) 1999
G.J. Fox Details
(Received: 1998-10-15 )
(Received: 1998-10-15 )

G.J. Fox

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Bernoulli and Euler numbers and polynomials 11B68

PDF(click to download): Euler polynomials at rational numbers

On the geometry of planar vector fields

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (3) 1999, pp. 65–86
Vol.21 (3) 1999
D. Schlomiuk Details
(Received: 1998-12-17 )
(Received: 1998-12-17 )

D. Schlomiuk

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: , , , , , 34C35, 58F02, 58F14, 58F21, 58F22, 58F30

PDF(click to download): On the geometry of planar vector fields

Hamiltonian mechanics on principal bundles

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (2) 1999, pp. 60–64
Vol.21 (2) 1999
R. Cushman / J. Śniatycki Details
(Received: 1999-02-05 )
(Received: 1999-02-05 )

R. Cushman / J. Śniatycki

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords: Hamiltonian systems, reduction, symmetries

AMS Subject Classification: , Symmetries and conservation laws; reverse symmetries; invariant manifolds and their bifurcations; reduction 58F05, 70H33

PDF(click to download): Hamiltonian mechanics on principal bundles

Inégalités explicites pour?(x),?(x),?(x) et les nombres premier

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (2) 1999, pp. 53–59
Vol.21 (2) 1999
P. Dusart Details
(Received: 1998-12-07 )
(Received: 1998-12-07 )

P. Dusart

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Arithmetic functions; related numbers; inversion formulas, Sums over primes 11A25, 11L20

PDF(click to download): Inégalités explicites pour ?(x), ?(x), ?(x) et les nombres premier

Dihedral extensions in characteristic 0

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (2) 1999, pp. 46–52
Vol.21 (2) 1999
A. Ledet Details
(Received: 1998-12-07 )
(Received: 1998-12-07 )

A. Ledet

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Inverse Galois theory 12F12

PDF(click to download): Dihedral extensions in characteristic 0

On conditions for R[?,?-1] to be exclusive and contractions of principal ideals of R[?]∪R[?-1]

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (2) 1999, pp. 39–45
Vol.21 (2) 1999
S. Oda / K. Yoshida Details
(Received: 1998-12-08 )
(Received: 1998-12-08 )

S. Oda / K. Yoshida

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Class groups 13C20

PDF(click to download): On conditions for R[?,?-1] to be exclusive and contractions of principal ideals of R[?] ∪ R[?-1]

Un algorithme numérique rapide et adaptatif à base d’ondelettes pour les équations d’évolution

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (2) 1999, pp. 33–38
Vol.21 (2) 1999
G. Chiavassa / J. Liandrat Details
(Received: 1998-08-01 )
(Received: 1998-08-01 )

G. Chiavassa / J. Liandrat

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification:

PDF(click to download): Un algorithme numérique rapide et adaptatif à base d'ondelettes pour les équations d'évolution

Linear independence in the Selberg class

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (1) 1999, pp. 28–32
Vol.21 (1) 1999
J. Kaczorowski / G. Molteni / A. Perelli Details
(Received: 1998-12-07 )
(Received: 1998-12-07 )

J. Kaczorowski / G. Molteni / A. Perelli

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Other Dirichlet series and zeta functions 11M41

PDF(click to download): Linear independence in the Selberg class

The Diophantine equations x4 – y4 = zp and x4 – 1 = dyq

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (1) 1999, pp. 23–27
Vol.21 (1) 1999
Z. Cao Details
(Received: 1998-10-13 )
(Received: 1998-10-13 )

Z. Cao

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords: Diophantine equation, Fermat's quotient

AMS Subject Classification: Higher degree equations; Fermat's equation 11D41

PDF(click to download): The Diophantine equations x4 - y4 = zP and x4 - 1 = dyq

Nonexistence of spherically symmetric solutions for p-Laplacian in the ball

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (1) 1999, pp. 16–22
Vol.21 (1) 1999
M. Pašić Details
(Received: 1998-09-21 )
(Received: 1998-09-21 )

M. Pašić

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: , 35B, 35J

PDF(click to download): Nonexistence of spherically symmetric solutions for p-Laplacian in the ball

Every approximately transitive amenable action of a locally compact group is a Poisson boundary

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (1) 1999, pp. 9–15
Vol.21 (1) 1999
G.A. Elliott / T. Giordano Details
(Received: 1998-07-14 )
(Received: 1998-07-14 )

G.A. Elliott / T. Giordano

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: None of the above; but in this section, Classifications of $C^*$-algebras; factors, 28D99, 46L35, 60J15

PDF(click to download): Every approximately transitive amenable action of a locally compact group is a Poisson boundary

Une congruence pour les coefficients binomiaux

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (1) 1999, pp. 6–8
Vol.21 (1) 1999
J.-P. Soublin Details
(Received: 1998-04-16 )
(Received: 1998-04-16 )

J.-P. Soublin

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Factorials; binomial coefficients; combinatorial functions, Congruences; primitive roots; residue systems, Binomial coefficients; factorials; $q$-identities 05A10, 11A07, 11B65

PDF(click to download): Une congruence pour les coefficients binomiaux

Vanishing Carleson type measure characterization of Qp,0

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (1) 1999, pp. 1–5
Vol.21 (1) 1999
W. Yang Details
(Received: 1997-11-15 )
(Received: 1997-11-15 )

W. Yang

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Other spaces of holomorphic functions (e.g. bounded mean oscillation (BMOA); vanishing mean oscillation (VMOA)), Vector-valued measures and integration 32A37, 46G10

PDF(click to download): Vanishing Carleson type measure characterization of Qp,0

Whence does an ellipse look like a circle?

C. R. Math. Rep. Acad. Sci. Canada Vol. 20 (4) 1998, pp. 124–127
Vol.20 (4) 1998
H.S.M. Coxeter Details
(Received: 1998-03-23 )
(Received: 1998-03-23 )

H.S.M. Coxeter

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Elementary problems in Euclidean geometries 51M04

PDF(click to download): Whence does an ellipse look like a circle?

Quantum imaginary Verma modules for affine Lie algebras

C. R. Math. Rep. Acad. Sci. Canada Vol. 20 (4) 1998, pp. 119–123
Vol.20 (4) 1998
V.M. Futorny / A.N. Grishkov / D.J. Melville Details
(Received: 1998-03-13 )
(Received: 1998-03-13 )

V.M. Futorny / A.N. Grishkov / D.J. Melville

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Quantum groups (quantized enveloping algebras) and related deformations, Kac-Moody (super)algebras (structure and representation theory), Quantum groups and related algebraic methods 17B37, 17B67, 81R50

PDF(click to download): Quantum imaginary Verma modules for affine Lie algebras

A note on Ljunggren’s theorem about the Diophantine equation aX2-bY4 =1

C. R. Math. Rep. Acad. Sci. Canada Vol. 20 (4) 1998, pp. 113–118
Vol.20 (4) 1998
P.G. Walsh Details
(Received: 1998-02-20 )
(Received: 1998-02-20 )

P.G. Walsh

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Cubic and quartic equations, Linear forms in logarithms; Baker's method 11D25, 11J86

PDF(click to download): A note on Ljunggren's theorem about the Diophantine equation aX2 -bY4 =1

Discriminants and electrostatics of general orthogonal polynomials

C. R. Math. Rep. Acad. Sci. Canada Vol. 20 (4) 1998, pp. 108–112
Vol.20 (4) 1998
M.E.H. Ismail Details
(Received: 1998-01-29 )
(Received: 1998-01-29 )

M.E.H. Ismail

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords: discriminants, interacting particles, orthogonal polynomials, zeros

AMS Subject Classification: Orthogonal functions and polynomials; general theory 42C05

PDF(click to download): Discriminants and electrostatics of general orthogonal polynomials

Gordon’sϵ-conjecture on the lacunarity of modular forms

C. R. Math. Rep. Acad. Sci. Canada Vol. 20 (4) 1998, pp. 103–107
Vol.20 (4) 1998
K. Ono Details
(Received: 1997-09-08 )
(Received: 1997-09-08 )

K. Ono

Abstract/Résumé:

No abstract available but the full text pdf may be downloaded at the title link below.

Keywords:

AMS Subject Classification: Special values of automorphic $L$-series; periods of modular forms; cohomology; modular symbols 11F67

PDF(click to download): Gordon's ϵ-conjecture on the lacunarity of modular forms