exact sequence

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exact sequence

[ig′zakt ′sē·kwəns]

(mathematics)

A sequence of homomorphisms with the property that the kernel of each homomorphism is precisely the image of the previous homomorphism.

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References in periodicals archive ?

Among their topics are elementary modifications for curves, interpolations and short exact sequences, a stronger inductive hypothesis, inductive arguments, and the three exceptional cases.

Interpolation for Normal Bundles of General Curves

Those two exact sequences contain the same information.

Exact Computations in Topological Abelian Chern-Simons and BF Theories

consisting of exact sequences. Let [bar.[delta]]: [H.sub.2](G) [right arrow] [H.sub.1][(N).sub.G] denote the natural map.

On the Iwasawa [mu]-invariants of branched [Z.sub.p]-covers

In fact, these exact sequences of events have happened.

To catch or not to catch?

The 5' and 3' untranslated regions were obtained by nested PCR with combined specific primers and henipavirus-specific degenerate primers as described (8), and the exact sequences of the 5' and 3' genome termini were determined by rapid amplification of cDNA ends.

Novel Henipa-like virus, Mojiang paramyxovirus, in rats, china, 2012

Then we obtain a commutative diagram of exact sequences

The order of the commutator on SU(3) and an application to gauge groups

They cover complexes of modules, short exact sequences of complexes, the category K(R-Mod), co-torsion pairs and triplets in C(R-Mod), adjoint functions, model structures, creating co-torsion pairs, minimal complexes, and Cartan and Eilenberg resolutions.

Relative homological algebra; v.2

Theorem 4 There exists such an exact sequence of vector spaces, and it can be explicitly constructed as a direct sum of exact sequences with exactly two non-zero terms.

A Combinatorial Approach to Multiplicity-Free Richardson Subvarieties of the Grassmannian

The Appendix explains the simple construction of an isomorphism of the middle therm of two exact sequences of vector bundles, used in the paper.

Higher order geometry on almost Lie structures

We present an approach based on the use of exact sequences of finite element spaces defined with respect to unstructured hexahedral grids.

Towards robust 3D Z-pinch simulations: discretization and fast solvers for magnetic diffusion in heterogeneous conductors

Their exact sequences and structural relationships, however, had remained elusive.

Artificial spider silk

In [C1] Chinburg used the four term exact sequences of prescribed extension class introduced by Tate in ([T2], pp.