Blar i Fakultet for informasjonsteknologi og elektroteknikk (IE) på tidsskrift "Documenta Mathematica"
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An Abel-Jacobi invariant for cobordant cycles
(Journal article; Peer reviewed, 2016)We discuss an Abel-Jacobi invariant for algebraic cobordism cycles whose image in topological cobordism vanishes. The existence of this invariant follows by abstract arguments from the construction of Hodge filtered ... -
Cluster equivalence and graded derived equivalence
(Peer reviewed; Journal article, 2014)In this paper we introduce a new approach for organizing algebras of global dimension at most 2. We introduce the notion of cluster equivalence for these algebras, based on whether their generalized cluster categories are ... -
Drinfeld centers for bicategories
(Journal article; Peer reviewed, 2015)We generalize Drinfeld’s notion of the center of a tensor category to bicategories. In this generality, we present a spectral sequence to compute the basic invariants of Drinfeld centers: the abelian monoid of isomorphism ... -
Enrichment and Representability for Triangulated Categories
(Journal article; Peer reviewed, 2017)Given a fixed tensor triangulated category S we consider triangulated categories T together with an S-enrichment which is compatible with the triangulated structure of T. It is shown that, in this setting, an enriched ... -
Geometric pushforward in Hodge filtered complex cobordism and secondary invariants
(Journal article; Peer reviewed, 2024)We construct a functorial pushforward homomorphism in geometric Hodge filtered complex cobordism along proper holomorphic maps between arbitrary complex manifolds. This significantly improves previous results on such ... -
Matui’s AH Conjecture for Graph Groupoids
(Peer reviewed; Journal article, 2021)We prove that Matui’s AH conjecture holds for graph groupoids of infinite graphs. This is a conjecture which relates the topological full group of an ample groupoid with the homology of the groupoid. Our main result ... -
Modules of Constant Jordan Type over Quantum Complete Intersections
(Peer reviewed; Journal article, 2020)We initiate the study of modules of constant Jordan type for quantum complete intersections, and prove a range of basic properties. We then show that for these algebras, constant Jordan type is an invariant of Auslander-Reiten ... -
Recovering a Variable Exponent
(Journal article; Peer reviewed, 2021) -
Relations between infinitesimal non-commutative cumulants
(Journal article; Peer reviewed, 2021)Boolean, free and monotone cumulants as well as relations among them, have proven to be important in the study of non-commutative probability theory. Quite notably, Boolean cumulants were successfully used to study free ...