John Christian Ottem

Available identifiers

zbMath Open ottem.john-christianMaRDI QIDQ345183

List of research outcomes

Publication	Date of Publication	Type
An \({\mathcal{O}} \)-acyclic variety of even index. With an Appendix by Olivier Wittenberg	2024-02-21	Paper
Fano varieties with torsion in the third cohomology group	2023-09-19	Paper
Planes in cubic fourfolds	2023-02-23	Paper
A refinement of the motivic volume, and specialization of birational types	2022-11-01	Paper
Tropical degenerations and stable rationality	2022-10-27	Paper
Nef Cycles on Some Hyperkähler Fourfolds	2022-06-17	Paper
Two coniveau filtrations	2021-09-20	Paper
An $\mathcal{O}$-acyclic variety of even index	2020-10-12	Paper
https://portal.mardi4nfdi.de/entity/Q5119811	2020-09-01	Paper
Curve classes on irreducible holomorphic symplectic varieties	2020-08-20	Paper
A pencil of Enriques surfaces with non-algebraic integral Hodge classes	2020-05-23	Paper
Failure of the integral Hodge conjecture for threefolds of Kodaira dimension zero	2020-05-13	Paper
On deformations of quintic and septic hypersurfaces	2020-02-18	Paper
Tropical degenerations and stable rationality	2019-11-14	Paper
Positivity of the diagonal	2018-08-29	Paper
A counterexample to the birational Torelli problem for Calabi-Yau threefolds	2018-07-04	Paper
Effective cones of cycles on blowups of projective space	2016-11-30	Paper
On subvarieties with ample normal bundle	2016-11-25	Paper
PARTIALLY AMPLE LINE BUNDLES ON TORIC VARIETIES	2016-08-25	Paper
Curves disjoint from a nef divisor	2016-08-08	Paper
Quartic spectrahedra	2015-06-19	Paper
Birational geometry of hypersurfaces in products of projective spaces	2015-06-18	Paper
Components of the Hilbert scheme of space curves on low-degree smooth surfaces	2015-04-14	Paper
Cox rings of \(K3\) surfaces with Picard number 2	2013-06-24	Paper
Algebraic boundaries of Hilbert’s SOS cones	2013-03-20	Paper
Ample subvarieties and \(q\)-ample divisors	2012-04-13	Paper
On the Cox ring of $\mathbf{P}^2$ blown up in points on a line	2011-08-29	Paper

Research outcomes over time

Doctoral students

No records found.

Known relations from the MaRDI Knowledge Graph

Property	Value
MaRDI profile type	MaRDI person profile
instance of	human

This page was built for person: John Christian Ottem