Mathematics

Research interest: Arithmetic and algebraic geometry. In particular: cycles and algebraic K-theory, regulators, derived algebraic geometry, motivic homotopy theory.

Papers:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. Rigidity for relative 0-cycles. (with Amalendu Krishna). arXiv:1802:00165v3[math.AG] (2018). Revised June. 2019. to appear in Ann. Sc. Norm. Sup. Pisa.

Preprints and other writings:

  1. Bloch’s formula for 0-cycles with modulus and higher dimensional Class Field Theory (with Amalendu Krishna and Shuji Saito). arXiv:2002.01856 [math.AG] (46 pages, 2020). Submitted.
  2. Triangulated categories of logarithmic motives over a field. (with Doosung Park and Paul Arne Østvaer). arXiv:2004.12298 [math.AG] (250 pages, 2020). Submitted.
  3. On the cohomology of reciprocity sheaves (with Kay Rülling and Shuji Saito). arXiv:2010.03301 [math.AG] (116 pages, 2020).
  4. Semi-purity for cycles with modulus (with Shuji Saito). arXiv:1812.01878 [math.AG] (2018). WARNING: This paper is currently under revision and it is NOT submitted for publication.
  5. Laumon 1-motives and motives with modulus (with Shuji Saito). In preparation. Draft available on request (44 pages, 2018) (we currently stopped working on this project, and we plan to resume it as soon as the theory of Motives with Modulus is on solid ground).
  6. Levine-Weibel Chow group and motivic cohomology of singular varieties. (with Amalendu Krishna). In preparation. Draft available on request (22 pages, 2018).
  7. Rigidity for relative 0-cycles II. The quasi-projective case. (with Amalendu Krishna). In preparation.
  8. On the Levine-Weibel Chow group of product of curves (with Wataru Kai and Takao Yamazaki). In preparation.

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 MathematicsAmerican 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.