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Cannabis use is associated with changes in psychological and functional well-being during young adulthood: evidence from self-reports and hair analyses. [PDF]

open access: yesPsychol Med
Johnson-Ferguson L   +9 more
europepmc   +1 more source

Registered Report: Replication and Extension of Nozaradan, Peretz, Missal and Mouraux (2011)

open access: yes
Nave KM   +3 more
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Hypergroups and binary relations

Algebra Universalis, 2000
A hypergroupoid is a set \(H\neq\emptyset\) endowed with a function \(\circ\) from \(H\times H\) to the set of non-empty subsets of \(H\). A hypergroup is a hypergroupoid \((H,\circ)\) such that \(x\circ(y\circ z)=(x\circ y)\circ z\) and \(x\circ H=H=H\circ x\) for all \(x,y,z\in H\).
CORSINI, Piergiulio, LEOREANU V.
openaire   +3 more sources

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