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Research Group

Interdisciplinary Frontiers of Algebraic Geometry Group - Publications

Explore the scholarly works of the "Interdisciplinary Frontiers of Algebraic Geometry" group. Browse journal articles, contributions in books and conference proceedings, academic theses, or discover our latest research through preprints. The names of the authors who worked on the publication during their time at the institute are shown in bold.

Preprint
2026 Repository Open Access
Angelo El Saliby

Highly regular vertex-transitive graphs are globally rigid

ArXiv: 2601.11240
Preprint
2026 Repository Open Access
Elizabeth Pratt, Luca Sodomaco and Bernd Sturmfels

Multigraded Hurwitz forms

ArXiv: 2602.19563
Preprint
2026 Repository Open Access
Fabian Faulstich, Vincenzo Galgano, Elke Neuhaus and İrem Portakal

On the coupled cluster doubles truncation variety of four electrons

ArXiv: 2602.16580
Preprint
2026 Repository Open Access
Serkan Hoşten, Vadym Kurylenko, Elke Neuhaus and Nikolas Rieke

The Euler stratification for \(\mathbb{P}^1 \times \mathbb{P}^1 \times \mathbb{P}^n\)

ArXiv: 2603.19184
inJournal
2026 Journal Open Access
Hirotachi Abo, İrem Portakal and Luca Sodomaco

A vector bundle approach to Nash equilibria

In: Advances in applied mathematics, 175 (2026), p. 103028
BibTex DOI: 10.1016/j.aam.2025.103028 ArXiv: 2504.03456 Code: mathrepo.mis.mpg.de
inJournal
2026 Repository Open Access
Jane Ivy Coons, Heather A. Harrington and Niharika Chakrabarty Paul

Combinatorial geometry of rational quasi-independence models as toric fiber products

In: Algebraic statistics, 17 (2026) 1, pp. 1-31
BibTex DOI: 10.2140/astat.2026.17.1 ArXiv: 2405.13897
inJournal
2026 Journal Open Access
Nils Sturma, Miriam Kranzlmueller, İrem Portakal and Mathias Drton

Matching criterion for identifiability in sparse factor analysis

In: Psychometrika, (2026)
BibTex DOI: 10.1017/psy.2026.10079 ArXiv: 2502.02986
inJournal
2026 Journal Open Access
Sandra Di Rocco, Kemal Rose and Luca Sodomaco

Osculating geometry and higher-order distance loci

In: The journal of the London Mathematical Society, 113 (2026) 3, e70509
BibTex DOI: 10.1112/jlms.70509 ArXiv: 2507.02823
Preprint
2025 Repository Open Access
Flavio Salizzoni, Luca Sodomaco and Julian Weigert

Nonlinear Kalman varieties

ArXiv: 2512.16540
Preprint
2025 Repository Open Access
Matthieu Bouyer, İrem Portakal and Javier Sendra-Arranz

Totally mixed conditional independence equilibria of generic games

ArXiv: 2511.11467
inJournal
2025 Journal Open Access
Kaie Kubjas, Luca Sodomaco and Olga Kuznetsova

Algebraic degree of optimization over a variety with an application to \(P\)-norm distance degree

In: Acta Universitatis Sapientiae : mathematica, 17 (2025) 1, p. 3
BibTex DOI: 10.1007/s44426-025-00003-1 ArXiv: 2105.07785
inJournal
2025 Repository Open Access
Mathias Drton, Alexandros Grosdos, İrem Portakal and Nils Sturma

Algebraic sparse factor analysis

In: SIAM journal on applied algebra and geometry, 9 (2025) 2, pp. 279-309
BibTex DOI: 10.1137/23M1626517 ArXiv: 2312.14762 Code: mathrepo.mis.mpg.de
inJournal
2025 Journal Open Access
Marie-Charlotte Brandenburg, Benjamin Hollering and İrem Portakal

Combinatorics of correlated equilibria

In: Experimental mathematics, 34 (2025) 2, pp. 212-224
BibTex DOI: 10.1080/10586458.2024.2340000 ArXiv: 2209.13938 Code: mathrepo.mis.mpg.de
Preprint
2025 Repository Open Access
Marta Casanellas, Jennifer Garbett, Roser Homs, Annachiara Korchmaros and Niharika Chakrabarty Paul

Computing phylogenetic invariants for time-reversible models : from TN93 to its submodels

BibTex ArXiv: 2505.20526
inJournal
2025 Journal Open Access
İrem Portakal and Daniel Windisch

Dependency equilibria : boundary cases and their real algebraic geometry

In: Advances in applied mathematics, 168 (2025), p. 102890
BibTex DOI: 10.1016/j.aam.2025.102890 ArXiv: 2405.19054
Preprint
2025 Repository Open Access
Abhiram Kidambi, Elke Neuhaus and İrem Portakal

Elliptic curves in game theory

BibTex ArXiv: 2501.14612 Code: mathrepo.mis.mpg.de
inJournal
2025 Journal Open Access
İrem Portakal and Javier Sendra-Arranz

Game theory of undirected graphical models

In: Journal of algebra, 666 (2025), pp. 574-606
BibTex DOI: 10.1016/j.jalgebra.2024.12.004 ArXiv: 2402.13246
Preprint
2025 Repository Open Access
Flavio Salizzoni, Luca Sodomaco and Julian Weigert

Nonlinear Rayleigh quotient optimization

BibTex ArXiv: 2510.17760
inJournal
2025 Repository Open Access
Khazhgali Kozhasov, Alan Muniz, Yang Qi and Luca Sodomaco

On the minimal algebraic complexity of the rank-one approximation problem for general inner products

In: Mathematics of computation, (2025)
BibTex DOI: 10.1090/mcom/4176 ArXiv: 2309.15105
Preprint
2025 Repository Open Access
Erin Connelly, Vincenzo Galgano, Zhuang He, Giacomo Maletto, Elke Neuhaus, İrem Portakal, Hannah Tillmann-Morris and Chenyang Zhao

The GameTheory package for Macaulay2

BibTex ArXiv: 2507.16755
Preprint
2025 Repository Open Access
Elke Neuhaus, İrem Portakal and Niharika Chakrabarty Paul

Torus actions on matrix Schubert and Kazhdan-Lusztig varieties, and their links to statistical models

BibTex ArXiv: 2510.00250
inJournal
2024 Repository Open Access
Robert Tichy and Daniel Windisch

Irreducibility properties of Carlitz' binomial coefficients for algebraic function fields

In: Finite fields and their applications, 96 (2024), p. 102413
BibTex DOI: 10.1016/j.ffa.2024.102413 ArXiv: 2310.02061
inJournal
2024 Journal Open Access
Victor Fadinger-Held and Daniel Windisch

Lengths of factorizations of integer-valued polynomials on Krull domains with prime elements

In: Archiv der Mathematik, 123 (2024) 2, pp. 123-135
BibTex DOI: 10.1007/s00013-024-02001-0 ArXiv: 2308.14535
inJournal
2024 Repository Open Access
İrem Portakal and Javier Sendra-Arranz

Nash conditional independence curve

In: Journal of symbolic computation, 122 (2024), p. 102255
BibTex DOI: 10.1016/j.jsc.2023.102255 ArXiv: 2206.07000
inJournal
2023 Journal Open Access
Maria Donten-Bury, Laura Escobar and İrem Portakal

Complexity of the usual torus action on Kazhdan-Lusztig varieties

In: Algebraic combinatorics, 6 (2023) 3, pp. 835-861
BibTex DOI: 10.5802/alco.279 ArXiv: 2111.13540
inJournal
2023 Repository Open Access
İrem Portakal

Nonlinear algebra in game theory [In: Algebraic structures in statistical methodology ; 4 December - 10 December 2022 ; report no. 55/2022]

In: Oberwolfach reports, 19 (2023) 4, pp. 3155-3158
BibTex DOI: 10.4171/OWR/2022/55 Link: publications.mfo.de
inJournal
2023 Journal Open Access
İrem Portakal

Rigid toric matrix Schubert varieties

In: Journal of algebraic combinatorics, 57 (2023) 4, pp. 1265-1283
BibTex DOI: 10.1007/s10801-023-01229-3 ArXiv: 2001.11949
inJournal
2023 Repository Open Access
Benjamin Hollering, Joseph Johnson, İrem Portakal and Liam Solus

Toric ideals of characteristic imsets via quasi-independence gluing

In: Algebraic statistics, 14 (2023) 2, pp. 109-131
BibTex DOI: 10.2140/astat.2023.14.109 ArXiv: 2209.01834

Open Access Types

Journal Open Access
• Without article processing charges (diamond open access)
• With article processing charges (gold open access)
• In closed access journals with chargeable open access option (hybrid open access)

Repository Open Access
• Publications on a preprint server or on a free repository (green open access)