Prof. Dr. Alex Küronya

Sommersemester 2024


TU Darmstadt, GU Frankfurt, Univ. Heidelberg
(07/2021 - 06/2025)

TU Darmstadt und GU Frankfurt
(01/2018 - 12/2022)

R E S E A R C H   P A P E R S   S U B M I T T E D   F O R   P U B L I C A T I O N
41. $P=W$ phenomena on abelian varieties (with Barbara Bolognese, Martin Ulirsch), preprint, arXiv:2303.03734.
40. Convex Fujita numbers and the fundamental group (with Jiaming Chen, Yusuf Mustopa, Jakob Stix), preprint, arXiv:2301.06367.
39. NObodies are perfect, their semigroups are not (with Klaus Altmann, Christian Haase, Karin Schaller, Lena Walter), preprint, arXiv:2209.06044.
38. Tropicalization of toric prevarieties (with Pedro Souza, Martin Ulirsch), preprint, arXiv:2107.03139.
37. Toric Newton–Okounkov functions with an application tothe rationality of certain Seshadri constants on surfaces (with Christian Haase, Lena Walter), preprint, arXiv:2008.04018.
36. Geometry of multigraded rings and embeddings into toric varieties (with Stefano Urbinati), preprint, arXiv:1912.04374.
35. Effective global generation on varieties with numerically trivial canonical class (with Yusuf Mustopa), preprint, arXiv:1810.07079.

R E S E A R C H   P A P E R S
34. Concave transforms of filtrations and rationality of Seshadri constants (with Catriona Maclean, Joaquim Roé), Trans. Amer. Math. Soc. 374 (2021), no. 12, 8309-8332.
33. Simple cyclic covers of the plane and Seshadri constants of some general hypersurfaces in weighted projective space (with Sönke Rollenske), Bollettino dell'Unione Matematica Italiana15 (2022), no. 1-2, 269-276, doi:10.1007/s40574-021-00290-9.
32. Newton-Okounkov bodies in an abstract setting (with Catriona Maclean, Joaquim Roé), Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry, 62 (2021), no. 2., 375-395, doi:10.1007/s13366-020-00558-9.
31. Bounded volume denominators and bounded negativity (with Thomas Bauer, Brian Harbourne, Matthias Nickel), International Mathematics Research Notices, (2021), no. 24, 18476-18488, doi:10.1093/imrn/rnz335 . 
30. A Reider-type theorem for higher syzygies on abelian surfaces (with Victor Lozovanu), Algebraic Geometry 6 (2019), no. 5., 548–570, doi:10.14231/AG-2019-025, (arXiv:1509.08621).
29. Higher syzygies on surfaces with numerically trivial canonical bundle (with Daniele Agostini, Victor Lozovanu), Math. Zeitschrift, 293 (2019), no. 3-4, 1071-1084, doi:10.1007/s00209-018-2220-0 (arXiv:1703.10203).
28. Geometric aspects of Newton–Okounkov bodies (with Victor Lozovanu), Phenomenological approach to algebraic geometry (Eds. J. Buczynski, S. Cynk, T. Szemberg) Banach Center Publications 116, Polish Academy of Sciences, Warsaw 2018, 137–212.
27. Continuous CM-regularity of semihomogeneous vector bundles (with Yusuf Mustopa), Advances in Geometry, 20 (2020), no. 3, 401-412,  doi:10.1515/advgeom-2019-0011 (arXiv:1703.07237).
26. Local positivity of linear series on surfaces (with Victor Lozovanu), Algebra & Number Theory Journal 12 (2018), no. 1, 1–34.
25. Infinitesimal Newton–Okounkov bodies and jet separation (with Victor Lozovanu), Duke Mathematical Journal 166 (2017), no. 7, 1349–1376.
24. Positivity of line bundles and Newton–Okounkov bodies (with Victor Lozovanu), Documenta Mathematica 22 (2017), 1285–1302.
23. Rationality of Seshadri constants and the Segre–Harbourne–Gimigliano–Hirschowitz conjecture (with Marcin Dumnicki, Catriona Maclean, Tomasz Szemberg), Advances in Mathematics 303 (2016), 1162–1170.
22. Newton–Okounkov bodies sprouting on the valuative tree (with C. Ciliberto, M. Farnik, V. Lozovanu, J. Roé, C. Shramov), Rendiconti del Circolo Matematico di Palermo II. Ser. 66 (2017), no. 2, 161–194.
21. Seshadri constants via functions on Newton–Okounkov bodies (with Marcin Dumnicki, Catriona Maclean, and Tomasz Szemberg), Mathematische Nachrichten 289 (2016), No. 17–18, 2173–2177.
20. An elementary approach to containment relations between symbolic and ordinary powers of certain monomial ideals (with Ryan W. Keane, Elise MacMahon), Communications in Algebra 45 (2017), no. 11, 4583–4587.
19. On positivity and base loci of vector bundles (with Thomas Bauer, Sándor J. Kovács, Ernesto Carlo Mistretta, Tomasz Szemberg, Stefano Urbinati), European Journal of Math. 1 (2015), no. 2, 229–249.


Vanishing sequences and Okounkov bodies (with Sébastien Boucksom, Catriona Maclean, and Tomasz Szemberg),
Mathematische Annalen 361, No. 3. (2015), 811–834, doi:10.1007/s00208-014-1081-z.
17. Partial positivity: geometry and cohomology of q-ample line bundles (with Daniel Greb), Recent advances in algebraic geometry, 207–239, London Math. Soc. Lecture Note Ser., 417, Cambridge Univ. Press, Cambridge, 2015. 
16. Very general monomial valuations on P 2 and a Nagata-type conjecture (with Marcin Dumnicki, Brian Harbourne, Joaquim Roé, Tomasz Szemberg), Communications in Analysis and Geometry 25 (2017), no. 1, 125–161.
15. Okounkov bodies of finitely generated divisors (with Dave Anderson and Victor Lozovanu), International Mathematics Research Notices 2014, no. 9, 2343–2355, doi: 10.1093/imrn/rns286. 
14. Volume functions of linear series (with Victor Lozovanu and Catriona Maclean), Mathematische Annalen, 356 no. 2. (2013), 635–652, doi: 10.1007/s00208-012-0859-0.
13. Finite generation and geography of models (with Anne-Sophie Kaloghiros and Vladimir Lazić), Minimal models and extremal rays (Kyoto, 2011), 215–245, Adv. Stud. Pure Math., 70, Math. Soc. Japan, Tokyo, 2016.
12. Positivity on subvarieties and vanishing of higher cohomology, Annales de l'Institut Fourier 63 (2013), no. 5, 1717–1737.
11. Negative curves on algebraic surfaces (with Th. Bauer, B. Harbourne, A. L. Knutsen, S. Müller-Stach, T. Szemberg), Duke Mathematical Journal, 162 no. 10 (2013), 1877–1894, doi: 10.1215/00127094-2335368.
10. Zariski decompositions of b-divisors (with Catriona Maclean), Mathematische Zeitschrift, 273 (2013), 427–436, doi: 10.1007/s00209-012-1012-1, 2013.
09. Recent developments and open problems in the theory of linear series (with Thomas Bauer, Christiano Bocci, Susan Cooper, Sandra Di Rocco, Marcin Dumnicki, Brian Harbourne, Kelly Jabbusch, Andreas Leopold Knutsen, Rick Miranda, Joaqim Roé, Hal Schenck, Tomasz Szemberg, Zach Teitler), In ''Contributions to Algebraic Geometry'', 93--140, IMPANGA Lecture Notes (Piotr Pragacz , ed.), EMS Series of Congress Reports, edited by the European Mathematical Society Publishing House 2012.
08. Convex bodies appearing as Okounkov bodies of divisors (with Victor Lozovanu and Catriona Maclean), , Advances in Mathematics 229 (2012), 2622-2639, (arXiv:1008.4431).
07. Higher cohomology of divisors on a projective variety (with Tommaso de Fernex and Robert Lazarsfeld), Mathematische Annalen 337 no. 2. (2007), 443-455.
06. A Briancon--Skoda type theorem for graded systems of ideals (with Alexandre Wolfe), Journal of Algebra 307 no. 2. (2007), 795-803.
05. Asymptotic cohomological functions on projective varieties, American Journal of Mathematics 128 no. 6. (2006), 1475-1519.
04. Asymptotic cohomological functions of toric divisors (with Milena Hering and Sam Payne), Advances in Mathematics 207 no. 2. (2006), 634-645.
03. Zariski decompositions, volumes, and stable base loci (with Thomas Bauer and Tomasz Szemberg), Journal für die reine und angewandte Mathematik 576 (2004), 209-233.
02. A divisorial valuation with irrational volume, Journal of Algebra 262 (2003), 413-423.
01. Computing Levi decompositions in Lie algebras (with Willem de Graaf, Gábor Ivanyos, and Lajos Rónyai), Applicable Algebra in Engineering, Communication and Computing 8 (1997), 291-304.

WiSe 23/24
  • Lineare Algebra 1
  • Proseminar / L3-Seminar Quantum Computing
  • Oberseminar Algebra und Geometrie
SoSe 2023
WiSe 22/23F O R S C H U N G S S E M E S T E R 

SoSe 2022
  • Elementarmathematik II
  • Kommutative Algebra
  • Oberseminar Algebra und Geometrie
WiSe 21/22
SoSe 2021
WiSe 20/21
SoSe 2020
WiSe 19/20

SoSe 2019

WiSe 18/19

F O R S C H U N G S S E M E S T E R 

SoSe 2018

Lehrveranstaltungen WiSe 2014/15 bis WiSe 2017/18

Vorlesung Algebraische Geometrie III WiSe 2017/18
Vorlesung  Lineare Algebra WiSe 2017/18
Konvexe Geometrie WiSe 2017/18
Workshop Recent advances on the geometry of valuations   WiSe 2017/18
Vorlesung Algebraische Geometrie II SoSe 2017
Seminar Algebraische Geometrie SoSe 2017
Vorlesung Elementarmathematik II SoSe 2017
Vorlesung Algebraische Geometrie I WiSe 2016/17
Seminar Geometrie Seminar L3 WiSe 2016/17
Vorlesung Geometrie L2/L5 SoSe 2016
[SoSe 2015]
Vorlesung Lineare Algebra zur Sekundarstufe I SoSe 2016
Vorlesung Kommutative Algebra SoSe 2016
Seminar Kommutative Algebra SoSe 2016
Summer School "Geometry of valuations" SoSe 2016
Vorlesung Algebra I WiSe 2015/16
Proseminar Kombinatorische Anwendungen der Algebra WiSe 2015/16
Vorlesung Grundlagen der Algebra SoSe 2015
Proseminar Konvexe Geometrie SoSe 2015
Blockseminar          Gruppenwirkungen auf Varietäten        WiSe 2014/15

Lehrveranstaltungen vor 2015


Prof. Dr. Alex Küronya
stellv. Geschäftsführender Direktor

FB12 - Institut für Mathematik
Goethe-Universität Frankfurt  
Robert-Mayer-Str. 6-8
60325 Frankfurt am Main

Office: 221
Phone: +49 69 798 - 28666

E-Mail: kuronya (at) forget this math (dot) uni-frankfurt (dot) de

Büro für Algebra und Geometrie:

Matthias Colmar
R.-M.-Str. 6-8, Office: 219
Phone: +49 69 798 - 22309
E-Mail: colmar[at]

Karin Nitsche
R.-M.-Str. 6-8, Office: 207
Phone: +49 69 798 - 23693
E-Mail: nitsche[at]

Fax: +49 69 798 - 22302