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Treball de fi de grau

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cc by-nc-nd (c) Trias Terol, Jan, 2026
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/231822

On Multidimensional Persistence

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The main goal of this project is the study of Multidimensional Persistence. We begin by reviewing Persistent Homology, a well-studied tool in Topological Data Analysis that completely classifies filtered spaces through a discrete invariant, the barcode. We then discuss some recent advancements made in this field using Commutative Algebra, namely persistent ideals and a new (more powerful) barcode, introduced in [14]. Next, we carefully thread through Multidimensional Persistence theory, a generalization of Persistent Homology, that identifies multifiltrations with multigraded multivariate polynomial ring modules, stating a fundamental result (the Zomorodian-Carlsson correspondence, Theorem 3.5) and showing that, unlike the single-dimensional case, no complete discrete invariant exists for the multidimensional case. We end the discussion with a brief commentary on the classification of the objects studied. Finally, we give a result of our own, a generalization of the advancements made in [14] for the multidimensional case.

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Treballs Finals de Grau de Matemàtiques, Facultat de Matemàtiques, Universitat de Barcelona, Any: 2026, Director: Carlos D’Andrea

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TRIAS TEROL, Jan. On Multidimensional Persistence. [consulted: 5 of November of 2026]. Available at: https://hdl.handle.net/2445/231822

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