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Hilbert basis of the Lipman semigroup
normal surface singularity toric variety Lipman semigroup Hilbert basis
2010/11/29
In this work, we give a new method to compute the Hilbert basis,a finite set of generators, for the semigroup of certain positive divisors supported on the exceptional divisor of a normal surface sing...
Asymptotic Analysis of Singularly Perturbed Abstract Evolution Equations in Banach and Hilbert Spaces
Singular Perturbation Asymptotic Expansion Banach space semigroup evolution equation Initial Layer Corrector radiative transfer neutron transport
2010/3/1
In the current paper, we are concerned with the study of abstract linear evolution equations in Banach spaces in which the time derivative term is multiplied by a small parameter, say e. Such equation...
Differentiable Functions and the Generators on A Hilbert-Lie Group
Continuous convolution semigroup operator semigroup Hilbert-Lie group Lévy measure infinitesimal generator generating functional
2010/3/5
A convolution semigroup plays an important role İn the theory of probability measure on Lie groups. The basic problem is that one wants to express a semigroup as a Lévy-Khinckine formula. If (mt)...