Proceedings - Mathematical Sciences

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Some augmentation quotients of integral group rings
Proceedings - Mathematical Sciences - Tập 118 - Trang 537-546 - 2009
Deepak Kumar Gumber, Ram Karan, Indu Pal
Let G be a group and H be a subgroup of G. A complete description of Δ(G)Δ n (H)/Δ n + 1(H) is given, and as a consequence the structures of Δ(G)/Δ(H) and Δ2(G)/Δ2(H) are determined. Also, the structure of Δ n (G)/Δ n (H) for all n ≥ 1 is determined when G is a free grou...... hiện toàn bộ
A topological shadowing theorem
Proceedings - Mathematical Sciences - Tập 132 - Trang 1-9 - 2022
J Lee, A Rojas
We prove a topological version of the classical shadowing theorem in differentiable dynamics (Encyclopedia of Mathematics and its Applications, vol. 54 (1995) (Cambridge: Cambridge University Press)). We use it to unify some stability results in literature as the GH-topological, Hartman and Walters stability theorems Discrete Contin. Dyn. Syst. 37(7) (2017) 3531–3544; An. Acad. Brasil Ci. 40 (1968...... hiện toàn bộ
Large and high subgroup
Proceedings - Mathematical Sciences - Tập 87 - Trang 177-179 - 1978
Mohammad Zubair Khan
It is proved that a high subgroup of a large subgroup is closed in a high subgroup of the group itself. Also a necessary and sufficient condition for a subgroup to be a pureabsolute summand is obtained.
Anderson model with decaying randomness existence of extended states
Proceedings - Mathematical Sciences - Tập 100 Số 3 - Trang 285-294 - 1990
M. Krishna
On the error term in a certain sum
Proceedings - Mathematical Sciences - Tập 3 - Trang 338-338 - 1936
M. L. N. Sarma
The lattice points in a hypersphere
Proceedings - Mathematical Sciences - Tập 1 - Trang 562-566 - 1935
S. Chowla
Linearized oscillations for higher order neutral differential equations
Proceedings - Mathematical Sciences - Tập 106 - Trang 169-176 - 1996
N. Parhi
In this paper, the oscillation of certain nonlinear neutral differential equations has been studied with the help of the oscillation of associated linear neutral differential equations
The number of ideals in a quadratic field
Proceedings - Mathematical Sciences - Tập 104 - Trang 157-165 - 1994
M. N. Huxley, N. Watt
LetK be a quadratic Geld, and letR(N) be the number of integer ideals inK with norm at most AT. Letx with conductork be the quadratic character associated withK. Then |R(N)−NL(1,x)|⩽Bk 50/73 N 23/73(logN)461/146 forN ≥Ak, whereA andB are constants. ForN ≥Ak c,C sufficiently large, the factork ...... hiện toàn bộ
Nonsimilar incompressible laminar boundary layers with magnetic field
Proceedings - Mathematical Sciences - Tập 87 - Trang 55-64 - 1978
B. K. Meena, G. Nath
The solution of the steady laminar incompressible nonsimilar magneto-hydrodynamic boundary layer flow and heat transfer problem with viscous dissipation for electrically conducting fluids over two-dimensional and axisymmetric bodies with pressure gradient and magnetic field has been presented. The partial differential equations governing the flow have been solved numerically using an implicit fini...... hiện toàn bộ
On regularity of twisted spherical means and special Hermite expansions
Proceedings - Mathematical Sciences - Tập 103 - Trang 303-320 - 1993
S Thangavelu
Regularity properties of twisted spherical means are studied in terms of certain Sobolev spaces defined using Laguerre functions. As an application we prove a localisation theorem for special Hermite expansions.
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