We prove that triangulated categories with bounded t-structures are Karoubian. Consequently, for an Ext-finite abelian category over a commutative noetherian complete local ring, its bounded derived category is Krull-Schmidt. (c) 2007 Elsevier Inc. All rights reserved.
机构:
Tokyo Gakugei Univ, Dept Math, 4-1-1 Nukuikita Machi, Koganei, Tokyo 1848501, JapanTokyo Gakugei Univ, Dept Math, 4-1-1 Nukuikita Machi, Koganei, Tokyo 1848501, Japan
Aihara, Takuma
Takahashi, Ryo
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Nagoya Univ, Grad Sch Math, Chikusa Ku, Nagoya, Aichi 4648602, JapanTokyo Gakugei Univ, Dept Math, 4-1-1 Nukuikita Machi, Koganei, Tokyo 1848501, Japan
机构:
Tokyo Gakugei Univ, Dept Math, 4-1-1 Nukuikita Machi, Koganei, Tokyo 1848501, JapanTokyo Gakugei Univ, Dept Math, 4-1-1 Nukuikita Machi, Koganei, Tokyo 1848501, Japan
Aihara, Takuma
Takahashi, Ryo
论文数: 0引用数: 0
h-index: 0
机构:
Nagoya Univ, Grad Sch Math, Chikusa Ku, Nagoya, Aichi 4648602, JapanTokyo Gakugei Univ, Dept Math, 4-1-1 Nukuikita Machi, Koganei, Tokyo 1848501, Japan