activity
20032026
most citedDeformation of Singularities and the Homology of Intersection Spaces

36 citations · 103 across the 21 of their papers we have counts for

collaborators

26 papers

math.AT2026

Smooth atlas stratified spaces, K-Homology Orientations, and Gysin maps. Part 2

Pierre Albin, Markus Banagl, Paolo Piazza

In this Part 2 of our article we give a detailed discussion of the compatibility between the analytic Gysin maps we have defined in Part 1 and the topological Gysin maps defined by…

math.AT2026

Equivariant L-Classes of Atiyah-Singer-Zagier Type for Singular Spaces

Markus Banagl

If a finite group acts on a rational homology manifold, then the orbit space is well-known to be a rational homology manifold again. We consider here actions on spaces that may…

math.DG2025

The G-signature Theorem on Witt spaces

Markus Banagl, Eric Leichtnam, Paolo Piazza

Let G be a compact Lie group and let X be an oriented Witt G-pseudomanifold. Using intersection cohomology it is possible to define Sign(G,X) in R(G), the G-signature of X. Let g b…

math.DG2025

Smooth atlas stratified spaces, K-Homology Orientations, and Gysin maps

Pierre Albin, Markus Banagl, Paolo Piazza

We introduce smooth atlas stratified spaces. We show that this class is closed under cartesian products; consequently, it is possible to define fiber bundles of smooth atlas strati…

math.AT2024

The Equivariant L-Class of Pseudomanifolds

Markus Banagl

We construct an equivariant L-class for orientation preserving actions of a compact Lie group on a Whitney stratified compact oriented pseudomanifold that satisfies the Witt condit…

math.AT2024

Link Bundles and Intersection Spaces of Complex Toric Varieties

Markus Banagl, Shahryar Ghaed Sharaf

There exist several homology theories for singular spaces that satisfy generalized Poincaré duality, including Goresky-MacPherson's intersection homology, Cheeger's cohomolog…