If f and g are automorphisms of a partial order L, and a ≤ f(b) and b ≤ g(a) ... then is there an automorphism sending a to b?
(I know the answer but am curious what arguments/examples others may have. Caution: it's too hard for ChatGPT!)

If you don't know me, I'm 9, where m=3 and b=2

Ask not what this is --- ask "what is this knot?"

An "attractive" red cube in the middle of this polymer.

An example of the nonmonotonicity of optimal protein folding in the hydrophobic-polar model!

Here's an example of my online game Labbyfold. Fold proteins into their optimal configuration! math.hawaii.edu/~bjoern/?she...

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I kept hearing about "logical depth" so I gave in and wrote a paper about it.
math.hawaii.edu/~bjoern/logical-depth-knapsack.pdf

UNIQUE SUBSET SUM is coNP-hard. Reference?