Results 211 to 220 of about 14,642 (224)

Self-generating autocatalytic networks: structural results, algorithms and their relevance to early biochemistry. [PDF]

J R Soc Interface
Huson D, Xavier JC, Steel M.
europepmc   +1 more source

Two Types of Temporal Symmetry in the Laws of Nature. [PDF]

Entropy (Basel)
Klimenko AY.
europepmc   +1 more source

A Note on $(m, n)$-$\Gamma$-Ideals of Ordered $LA$-$\Gamma$-Semigroups

, 2019
Abul Basar
openalex   +1 more source

Quantum State Reduction of General Initial States through Spontaneous Unitarity Violation. [PDF]

Entropy (Basel)
Mukherjee A, Gotur S, Aalberts J, van den Ende R, Mertens L, van Wezel J.   +5 more
europepmc   +1 more source

Functional Formulation of Quantum Theory of a Scalar Field in a Metric with Lorentzian and Euclidean Signatures. [PDF]

Entropy (Basel)
Haba Z.
europepmc   +1 more source

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On Separative Ordered Semigroups

Semigroup Forum, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Niovi Kehayopulu, Michael Tsingelis
openaire   +3 more sources

*-orderable semigroups

Semigroup Forum, 2009
Fix a *-orderable field k. We introduce the class of *-orderable semigroups as those semigroups with involution S for which the semigroup algebra kS endowed with the canonical involution admits a *-ordering. It is shown that this class is a quasivariety that is locally and residually closed.
Primož Moravec, Igor Klep
openaire   +2 more sources

The chain of right simple semigroups in ordered semigroups

Journal of Mathematical Sciences, 1998
See the review in Zbl 0885.06007.
J. S. Ponizovskii, Niovi Kehayopulu
openaire   +3 more sources

Betweenness and order in semigroups

Mathematical Proceedings of the Cambridge Philosophical Society, 1965
A betweenness semigroup is a semigroup possessing a ternary relation, ‘b lies between a and c’, which is invariant under the semigroup operation. We take as our axioms of betweenness those suggested by Shepperd in (2) and given below in 1·01–1·04. It was shown in (2) that these axioms lead to just two types of betweenness; namely a linear betweenness ...
openaire   +3 more sources