braid


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braid

[brād]
(mathematics)
A braid of order n consists of two parallel lines, sets of n points on each of the lines with a one-to-one correspondence between them, and n nonintersecting space curves, each of which connects one of the n points on one of the parallel lines with the corresponding point on the other; the space curves are configured so that no curve turns back on itself, in the sense that its projection on the plane of the parallel lines lies between the parallel lines and intersects any line parallel to them no more than once, and any two such projections intersect at most a finite number of times.
References in periodicals archive ?
Join the braids into a long rope by overlapping the ends and taping them together.
Although the low durometer range compounds can be troublesome if not processed properly, there are certain conditions which, when established, enable the fabricator to apply the outer braid effectively.
After Joe's burial, Janie's freedom from her marriage to him is only complete when she "burnt up every one of her head rags and went about the house the next morning with her hair in one thick braid swinging well below her waist" (Their Eyes 137).
The shape and size of the rug you wish to braid must be determined.
A strip of print with two plain strips of the same color makes a satisfactory braid.
Having closed to within five points five minutes from time, Wales were undone by three late tries as they went down 43-17, but Braid insisted Wales could still take heart from their gutsy performance.
The drawing series "Los cuadernos de Mademoiselle Heidi Schreber" (The notebooks of Mademoiselle Heidi Schreber), 1993, shows the artist's tongue stretching out, multiplying, and mutating to entangle, lacerate, and displace his own face, which eventually morphs into that of a girl whose undulating blond braids become the letters of the Nilcese alphabet.
A few assemblers reported having had good results with a no- clean fluxed solder braid with a previous employer.
Elsewhere, Kocher finds generous community with the neighborhood women of color who braid her hair ("Braiding"), in sharp contrast to the alienation she feels from mother and scowling grandmother in "Liturgy of the Light-Skinned.
Enterprise application integration firm TSI International Software Ltd said Thursday it has acquired Braid Group Ltd, a privately-held company headquartered in London which provides EAI software for the financial services market.
The braid is the centre of the mind, body and spirit, and I felt lacking in my spiritual life.
To braid a challah in a quiet house is to work, settling yeast into water, salt into flour, eggs into dough, separations yielding, fingers sticky, sweet, warm with morning buoyancy