Rationality of varieties and algebraic cycles

Project Information

RationAlgic

Grant agreement ID: 948066

DOI

10.3030/948066

EC signature date 8 October 2020

Start date 1 April 2021

End date 31 March 2027

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost

€ 1 498 750,00

EU contribution

€ 1 498 750,00

Coordinated by

GOTTFRIED WILHELM LEIBNIZ UNIVERSITAET HANNOVER
Germany

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (17)

Truncated pushforwards and refined unramified cohomology

Author(s): Theodosis Alexandrou, Stefan Schreieder
Published in: Advances in Mathematics, Issue 458, 2024, Page(s) 109979, ISSN 0001-8708
Publisher: Academic Press
DOI: 10.1016/j.aim.2024.109979

On Bloch's map for torsion cycles over non-closed fields

Author(s): Alexandrou, Theodosis; Schreieder, Stefan
Published in: Forum of Mathematics, Sigma, Issue 11, 2023, Page(s) e53, 1-21, ISSN 2050-5094
Publisher: Cambridge University Press
DOI: 10.1017/fms.2023.51

A moving lemma for cohomology with support

Author(s): Stefan Schreieder
Published in: Épijournal de Géométrie Algébrique, Issue Special volume in honour of..., 2024, ISSN 2491-6765
Publisher: Centre pour la Communication Scientifique Directe (CCSD)
DOI: 10.46298/epiga.2024.10038

Rational Points in the Noether-Lefschetz Locus of Moduli Spaces of K3 Surfaces

Author(s): Domenico Valloni
Published in: International Mathematics Research Notices, Issue 2024, 2024, Page(s) 10503-10523, ISSN 1073-7928
Publisher: Oxford University Press
DOI: 10.1093/imrn/rnae088

The diagonal of quartic fivefolds

Author(s): Pavic, Nebojsa; Schreieder, Stefan
Published in: Algebraic Geometry, Issue 1, 2023, ISSN 2313-1691
Publisher: EMS Press

Two Cycle Class Maps on Torsion Cycles

Author(s): Theodosis Alexandrou
Published in: International Mathematics Research Notices, Issue 2024, 2024, Page(s) 11625-11641, ISSN 1073-7928
Publisher: Oxford University Press
DOI: 10.1093/imrn/rnae138

The Diagonal of (3,3) fivefolds

Author(s): Jan Lange, Bjørn Skauli
Published in: Annales de l'Institut Fourier, 2025, Page(s) 1-31, ISSN 1777-5310
Publisher: Cellule MathDoc/Centre Mersenne
DOI: 10.5802/aif.3735

Higher Chow groups with finite coefficients and refined unramified cohomology

Author(s): Kees Kok, Lin Zhou
Published in: Advances in Mathematics, Issue 458, 2024, Page(s) 109972, ISSN 0001-8708
Publisher: Academic Press
DOI: 10.1016/j.aim.2024.109972

On the Brauer group of a generic Godeaux surface

Author(s): Alexandrou, Theodosis
Published in: J. London Math. Society, Issue 107, 2023, Page(s) 1881-1899, ISSN 0024-6107
Publisher: Oxford University Press
DOI: 10.1112/jlms.12727

Refined unramified cohomology of schemes

Author(s): Schreieder, Stefan
Published in: Compositio Mathematica, Issue 159, 2023, Page(s) 1466-1530, ISSN 0010-437X
Publisher: London Mathematical Society
DOI: 10.1112/s0010437x23007236

Arithmetic and birational properties of linear spaces on intersections of two quadrics

Author(s): Lena Ji, Fumiaki Suzuki
Published in: Journal de l’École polytechnique — Mathématiques, Issue 12, 2025, Page(s) 1161-1196, ISSN 2429-7100
Publisher: Cellule MathDoc/Centre Mersenne
DOI: 10.5802/jep.308

Abelian varieties with no power isogenous to a Jacobian

Author(s): Olivier de Gaay Fortman, Stefan Schreieder
Published in: Compositio Mathematica, Issue 161, 2025, Page(s) 1404-1457, ISSN 0010-437X
Publisher: London Mathematical Society
DOI: 10.1112/s0010437x25007171

Infinite torsion in Griffiths groups

Author(s): Schreieder, Stefan
Published in: Journal of the EMS, 2022, ISSN 1435-9855
Publisher: European Mathematical Society Publishing House

Enriques involutions and Brauer classes

Author(s): Skorobogatov, Alexei N.; Valloni, Domenico
Published in: Nagoya Math. J., Issue 251, 2022, Page(s) 606-621, ISSN 0027-7630
Publisher: Nagoya University
DOI: 10.1017/nmj.2022.43

Geometric retract rationality of norm varieties

Author(s): Schreieder, Stefan
Published in: Mathematical Research Letters, Issue 1, 2023, ISSN 1073-2780
Publisher: Mathematical Publishing

On the degree of algebraic cycles on hypersurfaces

Author(s): Paulsen, Matthias
Published in: J. Reine Angew. Math., Issue 790, 2022, Page(s) 137-148, ISSN 0075-4102
Publisher: Walter de Gruyter GmbH & Co. KG
DOI: 10.1515/crelle-2022-0036

Zeros of One-Forms and Homologically Trivial Fibrations

Author(s): Schreieder, Stefan; Yang, Ruijie
Published in: Michigan Math. J., Issue 1, 2024, ISSN 0026-2285
Publisher: University Of Michigan, Department of Mathematics
DOI: 10.1307/mmj/20226317