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Gejza Jenča

I am an algebraist, working in quantum logics -- effect algebras, orthomodular lattices and related things. I am interested in category theory, I try to apply it in my field and possibly elsewhere.

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  • Member for 9 years, 7 months
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  • Last seen Feb 15 at 22:36

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11 Example of non-abelian partially ordered group Apr 8 '13
7 Are filters in lattices exactly the homomorphic preimages $\varphi^{-1}(1)$ of top elements? Aug 4 '13
7 Intersections of complete k-partite graphs Oct 12 '11
7 Uniquely complemented lattice that is non-modular Dec 17 '13
5 Is every surjective lattice homomorphism a split epimorphism? Jun 8 '17
4 Example of a bounded lattice that is NOT complete May 18 '14
4 Is every sub-lattice of $\mathcal P(X)$ isomorphic to a sub-lattice of $\mathcal P(X')$ containing singleton sets? May 19 '14
4 Non-Boolean group with every element of order two May 26 '12
4 Extension of a monoidal structure Mar 3 '17
4 Drawing lattices Mar 28 '13
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