Results 231 to 240 of about 10,393,784 (287)

Unpassivated edges as gateways to collision-driven topological transformations in finite graphene nanoflakes. [PDF]

open access: yesEur Phys J D At Mol Opt Phys
Cielinska K   +6 more
europepmc   +1 more source

On K-Loops Of Finite Order

Results in Mathematics, 1994
This paper develops firstly the basic theory of \(K\)-loops and secondly there are given new construction methods for \(K\)-loops. For the axiomatic investigations the authors start from the quite general concept of a right loop \((L,+)\) (i.e., \(\forall a,b \in L\;\exists_ 1 x \in L : a+x=b\) and \(\exists 0 \in L : \forall a \in L : 0+a=a+0=a ...
Kreuzer, Alexander   +1 more
openaire   +2 more sources

Classification of Finite Spaces of Orderings

Canadian Journal of Mathematics, 1979
1. Introduction. A space of orderings will refer to what was called a “set of quasi-orderings” in [5]. That is, a space of orderings is a pair (X, G) where G is an elementary 2-group (i.e. x2 = 1 for all x ∈ G) with a distinguished element – 1 ∈ G, and X is a subset of the character group x(G) = Horn (G, {1, –1};) satisfying the following properties:01:
openaire   +2 more sources

Order in Finite Affine Planes

Canadian Mathematical Bulletin, 1966
An ordered plane [1, p. 177 ff.] is a set of undefined entities called points, together with an undefined relation of intermediacy, satisfying the following axioms: (The symbol [ABC] means ″B is between A and C″.)
Beattie, M.   +2 more
openaire   +1 more source

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