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.
References in periodicals archive ?
All trials were run using a 0.9 melt index (MI) film grade LLDPE, and the exact sequence was repeated three times for the three types of barrel temperature controllers under study: auto-tuning PID, dual thermocouple and adaptive reset.
While NLC tries to maintain continuity in scheduling for future conferences, the exact sequence of days depends on space availability in the city at the time the Board selects the conference site.
Applying the Snake lemma to this diagram therefore gives an exact sequence
We are also in the process of recording the statements of other eyewitnesses and villagers to know the exact sequence of the crime and arrests will be made once we get all the details," Nazneen Bhasin, superintendent of police, said Sunday morning.
The bidders will be informed about the exact sequence (deadline, Pick-up, Time, Contact person, Etc.) in advance of the sample order.
Schwede's exact sequence interpretation of the Gerstenhaber bracket in Hochschild cohomology to certain exact and monoidal categories.
She knew the exact sequence of events of the day of encounter.
The situation dragged on until the early hours until the shooting just before 6am though the exact sequence of events remains unclear.
Recall that given a sequence X [right arrow] Y [right arrow] Z of spectra of finite type, if the composite X [right arrow] Z is homotopically trivial and the induced sequence 0 [right arrow] [H.sup.*]Z [right arrow] [H.sup.*]Y [right arrow] [H.sup.*]X [right arrow] 0 is a short exact sequence of A-modules, then X [right arrow] Y [right arrow] Z is a cofibration.
One fan of the royals predicted the exact sequence of names.
There is a characterization of Connes-amenability in terms of splitting of an admissible short exact sequence, a fact noted by Daws [5, Prop.
He said he was still unclear on the exact sequence of events which occurred before her death.