List questions from lattice-orders

Published on 17 May 2014 - 14:02

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Is every sub-lattice of $\mathcal P(X)$ isomorphic to a sub-lattice of $\mathcal P(X')$ containing singleton sets?

Published on 18 May 2014 - 11:41

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Example of a bounded lattice that is NOT complete

Published on 18 May 2014 - 15:16

140

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What is $|Aut(D_n,|)|$?

Published on 18 May 2014 - 22:02

1000

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Number of join-irreducible elements of a lattice: is it monotonic?

Published on 19 May 2014 - 18:13

150

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All tree orders are lattice orders?

Published on 21 May 2014 - 19:59

184

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Lattice inside a finite dimensional vector space

Published on 23 May 2014 - 20:04

356

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Closure operators and complete lattices.

Published on 25 Mar 2026 - 14:19

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Monotone log-supermodular function is supermodular.

Published on 04 Jun 2014 - 7:24

282

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Dense Boolean subalgebras

Published on 05 Jun 2014 - 15:26

55

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Show that B has infimum

Published on 05 Jun 2014 - 19:08

187

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Are surjective order-homomorphisms necessarily complete lattice homomorphisms?

Published on 15 Jun 2014 - 19:18

136

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Characterizing the real numbers as a dense complete monoidal poset

Published on 25 Mar 2026 - 17:37

307

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increasing subset of a partial order and characteristic function

Published on 19 Jun 2014 - 17:02

196

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Defining principal elements of every poset. Is this a new idea?

Published on 21 Jun 2014 - 15:56

List Question

Proving isomorphism in lattices

Is every sub-lattice of $\mathcal P(X)$ isomorphic to a sub-lattice of $\mathcal P(X')$ containing singleton sets?

Example of a bounded lattice that is NOT complete

What is $|Aut(D_n,|)|$?

Number of join-irreducible elements of a lattice: is it monotonic?

All tree orders are lattice orders?

Lattice inside a finite dimensional vector space

Closure operators and complete lattices.

Monotone log-supermodular function is supermodular.

Dense Boolean subalgebras

Show that B has infimum

Are surjective order-homomorphisms necessarily complete lattice homomorphisms?

Characterizing the real numbers as a dense complete monoidal poset

increasing subset of a partial order and characteristic function

Defining principal elements of every poset. Is this a new idea?

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