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TORSION IN THE COHOMOLOGY OF CONGRUENCE SUBGROUPS OF SL(4, Z) AND GALOIS REPRESENTATIONS
Reverse calculation congruence subgroup the group of cohomology homologous yields Galois calculating torsional prime
2014/12/24
We report on the computation of torsion in certain homology the-ories of congruence subgroups of SL(4, Z). Among these are the usual group cohomology, the Tate-Farrell cohomology, and the homology of ...
Recovering Non-negative and Combined Sparse Representations
underdetermined linear system sparse representations non-negative constraints orthogonal matching pursuit unique sparse solution
2013/5/2
The non-negative solution to an underdetermined linear system can be uniquely recovered sometimes, even without imposing any additional sparsity constraints. In this paper, we derive conditions under ...
Integral representations and properties of operator fractional Brownian motions
dichotomy principle integral representations long-range dependence multivariate Brownian motion operator fractional Brownian motion operator self-similarity
2011/3/18
Operator fractional Brownian motions (OFBMs) are (i) Gaussian, (ii) operator self-similar and (iii) stationary increment processes. They are the natural multivariate generalizations of the well-studie...
On some representations concerning the stochastic integrals
some representations the stochastic integrals
2009/9/24
Some additive functionals concerning the Cauchy's
principal value or the Hadamard's finite past are investigatd.
A decomposition of additive functionals is proposed by using the
Hilbert transform t...
On recurrent differential representations for stationary stochastic processes
recurrent differential representations stationary stochastic processes
2009/9/24
On recurrent differential representations for stationary stochastic processes。
Asymptotic representations of self-normalized sums
Asymptotic representations self-normalized sums
2009/9/23
Asymptotic representations of self-normalized sums。
On canonical representations of stable M(t)-processes
canonical representations stable M(t)-processes
2009/9/23
Using integral geometry a symmetric a stable system is
constructed as a stable analogue of fivy's multiparameter Brownian
motion. M,-process is the spherical mean process of this stable system.
In ...
MINIMAL INTEGRAL REPRESENTATIONS OF STABLE PROCESSES
Stable processes stochastic integral representations isometrics on I?-spaces
2009/9/18
Minimal integral representations are defined for general
stochastic processes and completely characterized for stable processes
(symmetric and asymmetric) In the stable case, minimal representations...
Integral representations for convolutions of non-central multivariate gamma distributions
Convolutions of multivariate distributions generalizedquadratic forms of normal random vectors multivariate chi–square distribution
2010/4/27
Three types of integral representations for the cumulative distribution
functions of convolutions of p( k,k,k)–distributions with non–centrality matrices
k are given by integration of p...