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03A-Articolo su Rivista 146759
03B-Review in Rivista / Rassegna della Lett. in Riv. / Nota Critica 6888
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Prodotti recenti

Generalized Borel sets

Generalizing classical descriptive set theory opens foundational questions about the Borel hierarchy. In this paper we systematically study those questions, working in the general framework of Polish-like spaces relative to an uncountable cardinal κ, possibly singular, satisfying 2^{<κ} = κ. We provide fundamental properties of the κ^+-Borel hierarchy of any regular Hausdorff space of weight at most κ, and establish sufficient conditions for its non-collapse. We highlight a unique phenomenon ...

Generalized Baire class functions

Let 𝜆 be an uncountable cardinal such that 2^{<𝜆} =𝜆. Working in the setup of generalized descriptive set theory, we study the structure of 𝜆^+-Borel measurable functions with respect to various kinds of limits, and isolate a suitable notion of 𝜆-Baire class 𝜉 function. Among other results, we provide higher analogues of two classical theorems of Lebesgue, Hausdorff, and Banach, namely: (1) A function is 𝜆^+-Borel measurable if and only if it can be obtained from continuous functio...

Psychological distress and dyadic trust in Italian women awaiting colposcopy after positive cervical cancer screening: a cross-sectional study

Background: Screening programs have substantially reduced cervical cancer incidence and mortality, yet abnormal results can generate considerable psychological distress even before a diagnosis is confirmed. Interpersonal resources such as dyadic trust—the expectation of reliability and support within intimate relationships—may buffer distress, but their role in the colposcopy context is understudied. Examining both individual and relational predictors of emotional well-being may inform target...

Animal social networks as intersection graphs of random walks

: We study here the social network generated by the asynchronous visits, to a fixed set of sites, of mobile agents modelled as independent random walks on the plane lattice. The social network is constructed by assuming that a group of agents are associated if they have visited the same set of sites within a finite time interval. This construction is an instance of a random intersection graph, and has been used in the literature to study association networks in a number of animal species. We ...

Cancer Risk Profile of the Levonorgestrel-Releasing Intrauterine Device: A Narrative Review

Background/Objectives: The levonorgestrel-releasing intrauterine device (LNG-IUD) is widely used as a long-acting reversible contraceptive and as a therapeutic option for heavy menstrual bleeding, endometriosis, adenomyosis, and endometrial hyperplasia. Although its predominant effect is local, systemic levonorgestrel exposure has raised questions regarding its potential influence on cancer risk. This review aims to summarise and critically appraise the available evidence on the association b...

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