The dimension of the derived category of elliptic curves and tubular weighted projective lines

Steffen Oppermann

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The classification of weighted projective spaces

Anthony Bahri, Matthias Franz, Dietrich Notbohm, Nigel Ray (2013)

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We obtain two classifications of weighted projective spaces: up to hoeomorphism and up to homotopy equivalence. We show that the former coincides with Al Amrani's classification up to isomorphism of algebraic varieties, and deduce the latter by proving that the Mislin genus of any weighted projective space is rigid.

A formal connection between projectiveness for compact and not necessarily compact completely regular spaces

Mioduszewski, J., Rudolf, L.

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Extensions of covariantly finite subcategories revisited

Jing He (2019)

Czechoslovak Mathematical Journal

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Extriangulated categories were introduced by Nakaoka and Palu by extracting the similarities between exact categories and triangulated categories. A notion of homotopy cartesian square in an extriangulated category is defined in this article. We prove that in an extriangulated category with enough projective objects, the extension subcategory of two covariantly finite subcategories is covariantly finite. As an application, we give a simultaneous generalization of a result of X. W. Chen...

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Enrico M. Vitale (1994)

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Dagmar Baer (1988)

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