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Dmitri Pavlov - Post a comment
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01:43 pm

kaledin[Link] | Nu est' zhe formalizm Spaltenstein'a, staryj, no otlichno rabotayushchij: h-injective, h-projective, h-injectives/projectives are left/right orthogonal to acyclic complexes, i t.d. Imeya v rukakh tekhniku lokalizacii v triangulirovannykh kategoriyakh, ispol'zovat' model'nye -- ehto kakoe-to dikoe izvrashchenie.
Voobshche, ponyatiya triangulirovannoj i model'noj kategorii ne tol'ko ne svyazany -- oni v kakom-to smysle ortogonal'ny drug drugu; vplot' do togo, chto [expletive deleted] Hovey v svoej [expletive deleted] knige pozvolil sebe ponyatie triangulirovannoj kategorii vnagluyu pereopredelit'. Znaet koshka, ch'e myaso pytaetsya est'.
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