3 problems

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The Barto–Opršal–Pinsker tractability dichotomy conjecture for reducts of finitely bounded homogeneous structures
Barto–Opršal–Pinsker dichotomy conjecture. Exactly one of the following holds:
Conjectureopenconstraint-satisfaction-problems infinite-domain-csp topological-algebraarXiv posted 2 days ago
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The completed finite-dual isomorphism conjecture for co-commutative Hopf algebroids
Let $(A,\mathcal U)$ be a co-commutative Hopf algebroid with an admissible filtration such that the translation map $\delta$ is filtered. Consider the diagram … In case…
Conjectureopencompleted-algebras hopf-algebroids topological-algebraarXiv posted 2 days ago
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Stability of identities following from associativity under ultrafilter algebras
Let an identity be a formula in the language of a groupoid, and consider the algebra of ultrafilters associated with a compact left topological groupoid. Ultrafilter-stability conj…
Conjectureopentopological-algebra ultrafiltersarXiv posted 2 days ago

The Barto–Opršal–Pinsker tractability dichotomy conjecture for reducts of finitely bounded homogeneous structures