Flat extension and phantom homology

• Datum: 2017
• 1. Verfasser: Bhattacharyya, Rajsekhar
• Format: Artikel
• Sprache: Englisch
• Veröffentlicht: Lugansk National Taras Shevchenko University 2017
• Schlagworte: tight closure; phantom homology; 13A35
• Online Zugang: https://admjournal.luguniv.edu.ua/index.php/adm/article/view/41
• Назва журналу: Algebra and Discrete Mathematics

Phantom homology arises in tight closure theory due to small non-exactness when `kernel' is not equal to `image' but `kernel' is in the tight closure of the `image'. In this paper we study a typical flat extension, which we call *-flat extension, such that upon tensoring which pr...