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Topological aspects of Generalized Descriptive Set Theory

Descrizione del progetto

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Con il sostegno del programma di azioni Marie Skłodowska-Curie, il progetto TopAspOfGDST riunisce due aree della matematica: la topologia insiemistica, che studia le forme e gli spazi, e la teoria degli insiemi descrittiva generalizzata (GDST), che studia le strutture matematiche complesse. La GDST può avere applicazioni pratiche in aree quali la logica matematica, l’informatica e gli algoritmi. L’obiettivo del progetto è quello di creare connessioni più forti tra GDST e topologia, consentendo l’applicazione di strumenti matematici consolidati nella GDST. Ciò potrebbe portare a nuove scoperte in entrambi i campi e fornire nuovi strumenti teorici per risolvere problemi complessi di logica, calcolo e analisi.

Obiettivo

"My project lies at the intersection of set-theoretic topology and generalized descriptive set theory (GDST) on uncountable cardinals. Since the 1950s, topology has extensively studied metric spaces and their generalizations, but as foundational questions were largely resolved, research shifted toward new areas. In contrast, GDST is a relatively recent field that has gained considerable interest over the past two decades. Both fields share a common interest in studying (subsets of) the generalized Baire space, but they typically use distinct tools and tackle different questions.

Recently, efforts have been made to bridge these two areas, by introducing appropriate classes of ""Polish-like"" spaces in GDST, allowing the application of established topological tools in GDST while also opening new perspectives in topology. This synergy promises exciting opportunities for innovative research and greater insight in both fields and generates new applications of GDST beyond the well-established ones. However, these efforts have been scattered, with different classes of spaces being used, and they are still in their early stages, leaving much to be explored.

My project aims to strengthen this connection by systematically studying and comparing the various approaches used to incorporate topology into GDST, to establish a unified topological foundation for GDST. In the process, I will also tackle several open questions in topology that have arisen from recent GDST applications.

The project has two primary research goals. The first focuses on extending notions equivalent to metrizability to uncountable cardinals, including concepts like Nagata-Smirnov or Bing bases, uniform spaces, and regular bases derived from Arhangel'skii's Metrization Theorem. The second goal addresses completeness notions for topological spaces without a metric, such as (long) Choquet games, Čech-completeness, and the completeness of uniformities.
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Campo scientifico (EuroSciVoc)

Parole chiave

Programma(i)

Argomento(i)

Meccanismo di finanziamento

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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(si apre in una nuova finestra) HORIZON-MSCA-2024-PF-01

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Coordinatore

HUN-REN Renyi Alfred Matematikai Kutatointezet
Contributo netto dell'UE
€ 153 458,88
Indirizzo
Realtanoda utca 13-15.
1053 Budapest
Ungheria
Regione
Közép-Magyarország Budapest Budapest
Tipo di attività
Research Organisations
Collegamenti
Costo totale
Nessun dato

Partecipanti (1)