Results 151 to 160 of about 8,382 (175)

Tropical Logistic Regression Model on Space of Phylogenetic Trees. [PDF]

open access: yesBull Math Biol
Aliatimis G   +3 more
europepmc   +1 more source

Polylepis wood acclimation strategies to ENSO events. [PDF]

open access: yesSci Rep
Guerra A   +5 more
europepmc   +1 more source

Spatio-temporal patterns, trends, and oceanographic drivers of whale shark strandings in Indonesia. [PDF]

open access: yesSci Rep
Putra MIH   +15 more
europepmc   +1 more source

Integrative taxonomy of Cedrela (Meliaceae) leads to the recognition of a new species (C. tamaulipana) and the reinstatement of C. saxatilis. [PDF]

open access: yesPLoS One
Gallardo-Yobal SI   +9 more
europepmc   +1 more source
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V-semirings

Siberian Mathematical Journal, 2012
A right \(V\)-semiring \(S\) is a semiring for which every simple right \(S\)-semimodule \(M\) is injective, i.e. any injective \(S\)-homomorphism from \(A\) to \(M\) may be extended to an \(S\)-homomorphism from \(B\) to \(M\), for every \(S\)-semimodule \(B\) and every subsemimodule \(A\) of \(B\).
openaire   +3 more sources

Locally Closed Semirings and Iteration Semirings

Monatshefte f�r Mathematik, 2004
A *-semiring is an additively commutative semiring \((S,+,\cdot)\) with absorbing zero and identity 1 equipped with a star operation \(^*\colon S\to S\). If \((x+y)^*=(x^*y)^*x^*\) and \((xy)^*=1+x(yx)^*y\) for all \(x,y\in S\) then \((S,+,\cdot)\) is called a Conway semiring.
openaire   +1 more source

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