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Listar por autor "Acharyya, Sudip Kumar"

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Listar por autor "Acharyya, Sudip Kumar"

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    A class of ideals in intermediate rings of continuous functions 
    Bag, Sagarmoy; Acharyya, Sudip Kumar; Mandal, Dhananjoy (Universitat Politècnica de València, 2019-04-01)
    [EN] For any completely regular Hausdorff topological space X, an intermediate ring A(X) of continuous functions stands for any ring lying between C∗(X) and C(X). It is a rather recently established fact ...
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    A generalized version of the rings CK (X) and C∞(X)– an enquery about when they become Noetheri 
    Acharyya, Sudip Kumar; Chattopadhyay, Kshitish Chandra; Rooj, Pritam (Editorial Universitat Politècnica de València, 2015-04-01)
    [EN] Suppose F is a totally ordered field equipped with its order topology and X a completely F-regular topological space. Suppose P is an ideal of closed sets in X and X is locally-P. Let CP(X, F) = {f : X ! F | f is ...
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    Continuous functions with compact support 
    Acharyya, Sudip Kumar; Chattopadhyaya, K.C.; Ghosh, Partha Pratim (Universitat Politècnica de València, 2004-04-01)
    [EN] The main aim of this paper is to investigate a subring of the ring of continuous functions on a topological space X with values in a linearly ordered field F equipped with its order topology, namely the ring of ...
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    Intermediate rings of complex-valued continuous functions 
    Acharyya, Amrita; Acharyya, Sudip Kumar; Bag, Sagarmoy; Sack, Joshua (Universitat Politècnica de València, 2021-04-01)
    [EN] For a completely regular Hausdorff topological space X, let C(X, C) be the ring of complex-valued continuous functions on X, let C ∗ (X, C) be its subring of bounded functions, and let Σ(X, C) denote the collection ...
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    Intrinsic characterizations of C-realcompact spaces 
    Acharyya, Sudip Kumar; Bharati, Rakesh; Deb Ray, Atasi (Universitat Politècnica de València, 2021-10-01)
    [EN] c-realcompact spaces are introduced by Karamzadeh and Keshtkar in Quaest. Math. 41, no. 8 (2018), 1135-1167. We offer a characterization of these spaces X via c-stable family of closed sets in X by showing that  X is ...