Ask & Answers gn.general topology – Continuous surjection between spectra of commutative von Neumann algebras Answer
Ask & Answers at.algebraic topology – Is every simplicial map $\Phi:K(A, n) \to K(A’, n)$ a simplicial homomorphism of groups? Answer
Ask & Answers at.algebraic topology – Groups homology with coefficients fitting into filtration or exact sequence Answer
Ask & Answers at.algebraic topology – Groups homology with coefficients fitting into filtration or chain complex Answer
Ask & Answers gt.geometric topology – Characterizing algebraic tangle by their double branched covers Answer
Ask & Answers at.algebraic topology – Spanier-Whitehead dual of space of natural transformations Answer