People
Qiu Yu

Professor

Yau Mathematical Science Center, Tsinghua University

Office: Jing Zhai 303

Email: q-y@tsinghua.edu.cn

Personal web page

Educational Background

2008-2011  Ph.D.  University of Bath (UK)

Dissertation Title: Exchange graphs and stability conditions for quivers.

Supervisor: Professor Alastair King

2004-2008  B.Sc.  Peking University (China)

Work Experience

2020      Professor, Yau Mathematical Sciences Center (Tsinghua Uni. China)

2018-2020      Associate Professor, Yau Mathematical Sciences Center (Tsinghua Uni. China)

2016-2018  Research Assistant Professor, Chinese University of Hong Kong (HK, China)

2013-2016  Postdoc in Norwegian University of Science and Technology (Norway)

2012       Postdoc  Bishop’s University (Canada)

Honors and Awards

ICRA Award 2016  ICRA=International Conferences on Representations of Algebras

2018-2020  Beijing Natural Science Foundation, Proj.: Z180003.

2017-2020  Hong Kong Research Grants Council, Proj:14300817.

2013-2016  Research Council of Norway, Proj.: 231000.

Publications

1.      On the focus order of planar polynomial differential equations, with J. Yang,

J. Diff. Equations, 246 (2009), pp 3361-3379.

2.      Ext-quivers of hearts of A-type and the orientation of associahedron,

J. Algebra, 393 (2013), pp 60-70. (arXiv:1202.6325)

3.      Exchange graphs and Ext quivers, with A. King,

Adv. Math. 285 (2015), pp 1106–1154. (arXiv:1109.2924).

4.      Stability conditions and quantum dilogarithm identities for Dynkin quivers,

Adv. Math. 269 (2015), pp 220-264. (arXiv:1111.1010)

5.      Tagged mapping class group: Auslander-Reiten translations, with T. Brustle,

Math. Zeit. 279 (2015), pp 1103-1120. (arXiv:1212.0007)

6.      C-sortable words as green mutation sequences,

Proc. Lond. Math. Soc. 111 (2015), pp 1052-1070. ( arXiv:1205.0034)

7.      Decorated marked surfaces: Spherical twists versus braid twists,

Math. Ann. 365 (2016), pp 595-633.(arXiv:1407.0806).

8.      Cluster categories for marked surfaces: punctured case, with Y. Zhou,

Compos. Math. 153 (2017), pp 1779-1819. (arXiv:1311.0010)

9.      Decorated marked surfaces (Part B): Topological realizations,

Math. Z. 288 (2018) pp 39–53.

10.   Contractible stability spaces and faithful braid group actions, with J. Woolf,

Geom. & Toptol. 22 (2018) 3701–3760. (arXiv:1407.5986)

11.   Decorated marked surfaces II: Intersection numbers and dimensions of Homs, with Y.Zhou,

Tans. Amer. Math. Soc., 372(2019) 635–660. (arXiv:1411.40033)

12.   The braid group for a quiver with superpotential,

Sci. China. Math. 62 (2019) 1241–1256. (arXiv:1712.09585)

13.   Topological structure of spaces of stability conditions and top. Fukaya type categories

Proceeding of 1st Annual Meeting of ICCM. (arXiv:1806.00010)

14.   Decorated Marked Surfaces: Calabi-Yau categories and related topics, Proceeding of the 51st Symposium on Ring Theory and Rep. Theory, 129–134, Symp. Ring Theory Represent. Theory Organ. Comm., Shizuoka, 2019. (arXiv:1812.00008)

15.   Decorated marked surfaces III: The derived category of a decorated marked surface, with A. Buan and Y. Zhou, Int. Math. Res. Notice, to appear.

arXiv:1804.00094

Preprint

16.   Frobenius morphisms and stability conditions, with W.Chang,

arXiv:1210.0243

17.   Stability conditions and A2 quivers, with T. Bridgeland and T. Sutherland,

arXiv:1406.2566

18.   Finite presentations for spherical/braid twist groups from decorated marked surfaces, with Y. Zhou,

arXiv:1703.10053

19.   Cluster exchange groupoids and framed quadratic differentials, with A. King,

arXiv:1805.00030

20.   Global dimension function, Gepner equations and q-stability conditions.

arXiv:1807.00010

21.   q-Stability conditions on Calabi-Yau-X categories and twisted periods. with A. Ikeda,

arXiv:1807.00469

22.   q-Stability conditions via q-quadratic differentials for Calabi-Yau-X categories. with A. Ikeda,

arXiv:1812.00010