fundamental group

(redirected from Fundamental groups)

fundamental group

[¦fən·də¦ment·əl ′grüp]
(communications)
In wire communications, a group of trunks that connect each local or trunk switching center to a trunk switching center of higher rank on which it homes; the term also applies to groups that interconnect zone centers.
(mathematics)
For a topological space, the group of homotopy classes of all closed paths about a point in the space; this group yields information about the number and type of “holes” in a surface.
References in classic literature ?
But then New York, as far back as the mind of man could travel, had been divided into the two great fundamental groups of the Mingotts and Mansons and all their clan, who cared about eating and clothes and money, and the Archer-Newland- van-der-Luyden tribe, who were devoted to travel, horticulture and the best fiction, and looked down on the grosser forms of pleasure.
The speakers introduce the mapping class group of a surface, geometric aspects of Teichmuller theory, homological stability, the Madsen-Weiss theorem, Weil-Petersson volumes of moduli spaces of bordered Riemann surfaces, Teichmuller curves, and arithmetic fundamental groups.
In his petition, Dutt has said he " faces threat to life from fundamental groups with vested interests".
We regret the increase of the radical and fundamental groups in the Arab region that brings more tensions to coexistence," he said, adding that these groups "marginalize the Christian role and aim at weakening it.
In his view, in Struga there are religious fundamental groups that protested three or four days ago.
Muslim fundamental groups alleged that she was later kidnapped by the church and prevented from public appearances.
Chechnya, especially after "Dudayev" came into power, established ties with the Islamic fundamental groups active in Afghanistan, Sudan, and the other international terrorist networks.
explain the basics of general topology, nonlinear coordinate systems, the theory of smooth manifolds, the theory of curves and surfaces, transformation groups, tensor analysis and Riemannian geometry, the theory of integration and homologies, fundamental groups, and variational problems of Riemannian geometry.
The intelligence agencies had also been directed to collect information about the management of the ghost seminaries, their sects, links with terrorist organisations, fundamental groups, banned outfits, political affiliation with certain groups and parties, details of funds collected by these seminaries through different sources, their direct or indirect involvement in terrorist attacks and the details of the utilisation of funds collected by the management of the ghost seminaries through different sources.
As the same the government must take effective steps to crush violence and to evict fundamental groups from the soil of Assam," said Sammujal Bhattacharya, Advisor, All Assam Students' Union (AASU)
The Breitling family of patents covers the use of full-length pIII phage protein as a scaffold in a phagemid vector, and is one of the fundamental groups of patents for the phagemid display of antibody, antibody fragments and proteins.
Currently there is no presentation for the fundamental groups of the complement of such W-invariant arrangements.

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