10:33 AM
new-tag Two new tags distributive and lattices. Those tag names do not seem very good to me - I guess distributive-lattices would be better, if such tag is needed.
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I have seen this exercise in Bergman: Universal Algebra: Fundamentals and Selected Topics. Let $L$ be a distributive lattice and let $2$ be a 2-element lattice. Show that there is a set $J$ and lattice embedding $h: L \rightarrow 2^J$ such that for every $j \in J$, $\pi_j \circ h$ is surjective. ...
> EDIT: Since there were several upvotes and no objections, two new tags lattice-orders and integer-lattices have already been created and now the question tagged lattices will be slowly retagged
> EDIT2: As you probably noticed, lattices is empty for some time already. (I thought it was good idea to make a note about this fact here as well.)
Posts where the tag lattices was added/removed (including the editors): data.stackexchange.com/math/query/1105163/… data.stackexchange.com/math/query/1038474/…
Most frequent taggers/removers for lattices: data.stackexchange.com/math/query/1146497/… data.stackexchange.com/math/query/1038477/…
1 hour later…
11:44 AM
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I am currently learning about algebraic geometry and k-algebras are mentioned without (clear) definition, so the basics are assumed in the lecture. I tried to look the topic up, but did not find a "pleasent" overview. In Lang's book he mentions modules, which I would try to avoid (if possible), a...
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