Publications
Publications
S. Cultrera di Montesano, O. Draganov, H. Edelsbrunner, M. Saghafian. Chromatic Alpha Complex. Foundations of Data Science, 8, 30–62, 2026
[doi] [arxiv]
R. Biswas, S. Cultrera di Montesano, O. Draganov, H. Edelsbrunner, M. Saghafian. On the Size of Chromatic Delaunay Mosaics. Disc.&Comp. Geom., 75, 24–47, 2026
[doi] [arxiv]
A. Brown, O. Draganov. Discrete microlocal Morse Theory. Journal of Pure and Applied Algebra, 229(10), 108068, 2025
[doi] [arxiv]
O. Draganov, S. Skiena. The Shape of Word Embeddings: Quantifying Non-Isometry with Topological Data Analysis. In Findings of the Association for Computational Linguistics: EMNLP 2024, pp. 12080–12099, 2024
[doi] [arxiv]
S. Cultrera di Montesano, O. Draganov, H. Edelsbrunner, M. Saghafian. The Euclidean MST-Ratio of Bi-Colored Lattices. In 32nd International Symposium on Graph Drawing and Network Visualization (GD 2024), LIPIcs, 320, pp. 3:1–3:23, 2024
[doi] [arxiv]
L. Barto, O. Draganov. The minimal arity of near-unanimity polymorphisms. Mathematica Slovaca, 69(2), pp. 297–310, 2019
[doi] [arxiv]
O. Draganov, S.Rosenmeier, N. Zava. Gromov-Hausdorff distance between chromatic metric pairs and stability of the six-pack.
[arxiv]
O. Draganov, H. Edelsbrunner, S. Rosenmeier, M. Saghafian. Lunar Generalizations of the Euclidean Minimum Spanning Tree in the Plane and their Expected Costs.
[arxiv]
O. Draganov, H. Edelsbrunner, S. Rosenmeier, M. Saghafian. Expected Length of the Euclidean Minimum Spanning Tree and 1-norms of Chromatic Persistence Diagrams in the Plane.
[arxiv]
S. Cultrera di Montesano, O. Draganov, H. Edelsbrunner, M. Saghafian. Chromatic Topological Data Analysis. To appear in New Probes into Discrete and Convex Geometry, Bolyai Society Mathematical Studies, Vol. 32, Springer-Verlag, Berlin.
[arxiv]