2 papers
math.AG2025
Motivic Steenrod problem away from the characteristic
Toni Annala, Tobias Shin
In topology, the Steenrod problem asks whether every singular homology class is the pushforward of the fundamental class of a closed oriented manifold. Here, we introduce an analog…
math.AG2024
A priori obstructions to resolution of singularities
Tobias Shin
We present an argument due to Thom to formulate a priori cohomology obstructions for a projective variety to admit an embedded resolution of singularities, and generalize the argum…