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15
Math.TechQA.Club
2026-03-17 12:29:48
118
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$A$ - dga over field, then $H^i(A) = 0, i > 1$ implies $HH_i(A) = 0, i < -1$
Published on
17 Mar 2026 - 12:29
#homological-algebra
#derived-categories
#differential-graded-algebras
334
Views
Images of derived categories of $X, Z$ in derived category of blow up
Published on
24 Mar 2026 - 15:48
#algebraic-geometry
#blowup
#derived-categories
408
Views
derived category of quotient category
Published on
18 Mar 2026 - 3:16
#algebraic-geometry
#homological-algebra
#derived-categories
617
Views
Are quasi-isomorphisms always invertible in the homotopy category?
Published on
17 Mar 2026 - 12:48
#category-theory
#homological-algebra
#derived-categories
393
Views
Derived functors and induced functors
Published on
17 Mar 2026 - 8:09
#category-theory
#homological-algebra
#derived-functors
#derived-categories
3.5k
Views
Distinguished triangle induced by short exact sequence
Published on
17 Mar 2026 - 16:07
#category-theory
#homological-algebra
#derived-categories
389
Views
When does the inverse image functor commute with internal hom?
Published on
22 Mar 2026 - 15:18
#general-topology
#sheaf-theory
#derived-functors
#derived-categories
233
Views
Derived functor defined with an adapted subcategory
Published on
17 Mar 2026 - 11:54
#homological-algebra
#derived-functors
#derived-categories
291
Views
Ext functor in derived categories
Published on
17 Mar 2026 - 3:18
#algebraic-geometry
#category-theory
#derived-functors
#derived-categories
1.6k
Views
Serre duality in derived category
Published on
17 Mar 2026 - 8:41
#algebraic-geometry
#duality-theorems
#derived-categories
195
Views
Reference Request. Using algebraic geometry to study categories enriched over rings.
Published on
17 Mar 2026 - 8:55
#algebraic-geometry
#category-theory
#derived-categories
#enriched-category-theory
359
Views
The exact sequence associated to a distinguished triangle
Published on
23 Mar 2026 - 4:58
#homological-algebra
#derived-categories
138
Views
Basic questions about Verdier duality
Published on
23 Mar 2026 - 7:43
#algebraic-geometry
#sheaf-cohomology
#derived-categories
205
Views
equivalences induced by functors
Published on
23 Mar 2026 - 14:36
#abstract-algebra
#category-theory
#representation-theory
#functors
#derived-categories
77
Views
Checking that the perverse $t$-structure is a $t$-structure
Published on
22 Mar 2026 - 19:50
#homological-algebra
#sheaf-cohomology
#derived-categories
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