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In mathematics, in the field of homological algebra, the Grothendieck spectral sequence, introduced by Alexander Grothendieck in his Tôhoku paper, is a spectral sequence that computes the derived functors of the composition of two functors, from knowledge of the derived functors of and .
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Builder's plates on South African Class 14E Series 1 14-001 Wikimedia Commons has media related to 50 c/s Group locomotives . Locomotives built by the 50 c/s Group ( ACEC , AEG-Telefunken , Alsthom , Brown Boveri , Siemens and Materiel de Traction Electrique)
In mathematics, especially in the fields of group cohomology, homological algebra and number theory, the Lyndon spectral sequence or Hochschild–Serre spectral sequence is a spectral sequence relating the group cohomology of a normal subgroup N and the quotient group G/N to the cohomology of the total group G.
This list of all two-letter combinations includes 1352 (2 × 26 2) of the possible 2704 (52 2) combinations of upper and lower case from the modern core Latin alphabet.A two-letter combination in bold means that the link links straight to a Wikipedia article (not a disambiguation page).
0 → E 2 1,0 → H 1 (A) → E 3 0,1 → 0. Because E 3 0,1 is the kernel of the differential E 2 0,1 → E 2 2,0, the last term in the short exact sequence can be replaced with the differential. This produces a four-term exact sequence. The map H 1 (A) → E 2 0,1 is also called an edge map.
It used digraphs for unique sounds of the Albanian language. It resembles the current alphabet with the differences being the use of ch for ç, c for q, ts for c, é for e, e for ë, gh for gj, gn for nj, and z/zh have swapped places with x/xh. Agimi, developed by the Agimi ("Dawn") Literary Society in 1901, and spearheaded by Ndre Mjeda. It ...
a.a.s. – asymptotically almost surely. AC – Axiom of Choice, [1] or set of absolutely continuous functions. a.c. – absolutely continuous. acrd – inverse chord function. ad – adjoint representation (or adjoint action) of a Lie group. adj – adjugate of a matrix. a.e. – almost everywhere. AFSOC - Assume for the sake of contradiction