Geodesic
Algebraic Mayer–Vietoris theorem over preabelian categories
Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 35, Tome 492 (2020), pp. 61-68 
A. I. Generalov. Algebraic Mayer–Vietoris theorem over preabelian categories. Zapiski Nauchnykh Seminarov POMI, Problems in the theory of representations of algebras and groups. Part 35, Tome 492 (2020), pp. 61-68. http://geodesic.mathdoc.fr/item/ZNSL_2020_492_a4/
@article{ZNSL_2020_492_a4,
     author = {A. I. Generalov},
     title = {Algebraic {Mayer{\textendash}Vietoris} theorem over preabelian categories},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {61--68},
     year = {2020},
     volume = {492},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_492_a4/}
}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

The famous “algebraic Mayer–Vietoris theorem” is usually stated for complexes over an abelian category. In the present paper this theorem is generalized for complexes over a preabelian category. We use the technique and results from the relative homological algebra that is developed in the paper (A. I. Generalov, Algebra i analyz 4, No. 3 (1992)).

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[3] A. I. Generalov, “Proizvodnye kategorii additivnoi kategorii”, Algebra i analiz, 4:5 (1992), 91–103 | MR

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