Mathematics

Research interest: Arithmetic and algebraic geometry. In particular: algebraic K-theory, p-adic cohomologies, (stable and motivic) homotopy theory, derived algebraic geometry.

Papers:

  1. Logarithmic TC via the Infinite Root Stack and the Beilinson Fiber Square (with Tommy Lundemo, Alberto Merici, and Doosung Park). to appear in Transactions of the AMS. arXiv:2408.15627 [math.AG] (22 pages, revised 2025).
  2. Logarithmic motivic homotopy theory (with Doosung Park and Paul Arne Østvaer). to appear in Memoirs of the AMS (130 pages, revised July 2025). arXiv:2303.02729 [math.AG].
  3. On the p-adic weight-monodromy conjecture for complete intersections in toric varieties (with Hiroki Kato and Alberto Vezzani). to appear in Inventiones Math. arXiv:2207.00369 [math.AG] (36 pages, revised 2025). An Oberwolfach report on this result is available here.
  4. On the logarithmic slice filtration (with Doosung Park and Paul Arne Østvaer). to appear in Geometry & Topology (G&T).  arXiv:2403.03056 [math.AG], (32 pages, 2024).
  5. Motivic monodromy and p-adic cohomology theories (with Martin Gallauer and Alberto Vezzani). to appear in J. Eur. Math. Soc. (JEMS). arXiv:2306.05099 [math.AG] (47 pages, 2023).
  6. A Hochschild-Kostant-Rosenberg theorem and residue sequences for logarithmic Hochschild homology (with Tommy Lundemo, Doosung Park and Paul Arne Østvaer).  Advances in Math. Volume 435, Part A, (2023). Preprint version arXiv:2209.14182 [math.AG]. Published version.
  7. Logarithmic prismatic cohomology via logarithmic THH (with Tommy Lundemo, Doosung Park and Paul Arne Østvaer). Int. Math. Res. Not. IMRN. Volume 2023, Issue 22, November 2023, Pages 19641–19696. Preprint version arXiv:2306.01368 [math.AG]. Published version.
  8. Derived log Albanese sheaves (with Alberto Merici and Shuji Saito). Advances in Math. Volume 417 (2023). Preprint version arXiv:2107.00984 [math.AG]. Published version.
  9. Suslin homology via cycles with modulus and applications (with Amalendu Krishna). Transactions of the AMS. Volume 376, Number 2, (February 2023), pp. 1445–1473. Preprint version arXiv:2202.06808 [math.AG]. Published version.
  10. On the cohomology of reciprocity sheaves (with Kay Rülling and Shuji Saito). Forum of Mathematics, Sigma, 10, E72. doi:10.1017/fms.2022.51 (2022). Preprint version arXiv:2010.03301 [math.AG]. Published version.
  11. Motives and homotopy theory in logarithmic geometry. (with Doosung Park and Paul Arne Østvaer). Comptes Rendus Mathématique. Volume 360 (2022), pp. 717-727. Published version.
  12. Zero cycle groups on algebraic varieties (with Amalendu Krishna). J. de l’École Polytechnique – Mathématiques. Vol. 9 (2022), pp. 281-325. Preprint version arXiv:2104.07968 [math.AG]. Published version. 
  13. Triangulated categories of logarithmic motives over a field. (with Doosung Park and Paul Arne Østvaer). Astérisque. Tome 433, pp. 280, (2022). Preprint version arXiv:2004.12298 [math.AG]. Published version.
  14. Bloch’s formula for 0-cycles with modulus and higher dimensional Class Field Theory (with Amalendu Krishna and Shuji Saito). J. Algebraic Geom. 32 (2023), 323-384. Preprint version arXiv:2002.01856 [math.AG]. Published version.
  15. Connectivity and purity for logarithmic motives (with Alberto Merici). J. of the Inst. Math. Jussieu. Volume 22 , Issue 1 , January 2023 , pp. 335 – 381. Preprint version arXiv:2012.08361 [math.AG]. Published version. (A small Erratum is available: the ArXiv version is updated accordingly).
  16. Rigidity for relative 0-cycles. (with Amalendu Krishna). Ann. Sc. Norm. Sup. Pisa Cl. Sci. (5) Vol. XXII (2021), 241-267. Preprint version arXiv:1802:00165v3 [math.AG]. Published version.
  17. A motivic homotopy theory without A^1-invariance. Math. Zeitschrift, Volume 295, pages 1475–1519(2020). Preprint version arXiv:1910.01339 [math.AG]. Published version.
  18. Algebraic cycles with moduli and regulator maps. (with Shuji Saito)  J. of the Inst. of Math. Jussieu, Volume 18, Issue 6, November 2019, Pages 1233-1293. Preprint version arXiv:1412.0385 [math.AG]. Published version.
  19. A cycle class map for zero cycles with modulus to higher relative K-groups. Documenta Math, Volume 23, Pages 407-444, May 2018. Preprint version arXiv:1706.07126 [math.AG] (2017). Published version.
  20. Torsion zero cycles with modulus on affine varieties. J. of Pure and App. Algebra, Volume 222, Issue 1, January 2018, Pages 61-74. Preprint version arXiv:1604.06294v2 [math.AG]. Published version.
  21. Zero cycles with modulus and zero cycles on singular varieties. (with Amalendu Krishna)  Compositio Math., Volume 154, 1, January 2018, Pages 120-187. Preprint version arXiv:1512.04847 [math.AG]. Published version.
  22. Torsion and divisibility for reciprocity sheaves and 0-cycles with modulus (with Jin Cao, Wataru Kai and Rin Sugiyama) J. of Algebra, Volume 469, 1 January 2017, Pages 437–463. Preprint version arXiv:1503.02161 [math.AG]. Published version.

Preprints:

  1. A motivic approach to rational p-adic cohomologies (with Alberto Vezzani). ArXiv:2508.16196 [math.AG] (28 pages, 2025).
  2. Logarithmic prismatic cohomology, motivic sheaves, and comparison theorems (with Tommy Lundemo, Alberto Merici, and Doosung Park). arXiv:2312.13129 [math.AG] (51 pages, 2024).
  3. Descent problems for derived Azumaya algebras (with Mauro Porta). arXiv:210703914 [math.AG] (33 pages, Major revision 2023). Submitted. (The old title of the paper was: GAGA problems for the Brauer group via derived geometry).

Editorial work:

Motivic homotopy theory and refined enumerative geometry. Proceedings of the Conference MREG at the University of Duisburg-Essen in 2018. Volume 745 of Contemporary Mathematics, American Mathematical Society. F. Binda, M. Levine, M. T. Nguyen, O. Röndigs editors. April 2020

Thesis:

Motives and algebraic cycles with moduli conditions. Ph.D. thesis, University of Duisburg-Essen (2016). DuEPublico ID: 41950. Available here.