Results 61 to 70 of about 333 (139)

Topological diffuse semigroups (systems with a stochastic product). [PDF]

open access: yes, 1966
A generalization of the concept of a locally compact Hausdorff topological semigroup and its associated convolution semigroup of regular Borel probabilities is defined and studied.
Armstrong, William Ward
core  

Multiquantum systems and point processes I. Generating functionals and nonlinear semigroups [PDF]

open access: yes, 1988
An algebraic approach to representation theory and the description of multicomponent quantum systems is considered. A generating multiquantum state functional and nonlinear completely positive map are introduced and a dilation theorem giving a nonlinear ...
Belavkin, V. P.
core  

Structure theorems for ordered groupoids [PDF]

open access: yes, 2009
The Ehresmann-Schein-Nambooripad theorem, which states that the category of inverse semigroups is isomorphic to the category of inductive groupoids, suggests a route for the generalisation of ideas from inverse semigroup theory to the more general ...
Miller, Elizabeth Caroline   +1 more
core   +3 more sources

Understanding idempotents in diagram semigroups [PDF]

open access: yes, 2018
PhD ThesisThe principal concern of this document is to develop and expose methodology for enumerating idempotents in certain semigroups of diagrams in the sense of [76].
Loughlin, Nicholas James
core  

Fuzzy bipolar soft semiprime ideals in ordered semigroups. [PDF]

open access: yesHeliyon, 2021
Aziz-Ul-Hakim, Khan H, Ahmad I, Khan A.
europepmc   +1 more source

On tau functions associated with linear systems [PDF]

open access: yes, 2012
\noindent {\bf Abstract} This paper considers the Fredholm determinant $\det (I-\Gamma_x)$ of a Hankel integral operator on $L^2(0, \infty )$ with kernel $\phi (s+t+2x)$, where $\phi$ is a matrix scattering function.
Samantha L. Newsham   +3 more
core  

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