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 ?
They want to keep us out because they don't like the competition and because we do it better," says Ceesay, who left Serrekunda in Gambia in 1995 to move to North Carolina, where she opened the African Nubian Queens Hair Braiding Salon.
Brantley told The Texas Tribune in April that restrictions on the hair braiding industry are a major roadblock to the "upward mobility of the impoverished community," where the art of African hair braiding is most prevalent.
Asda's staff car park will also be hosting lots of family activities including face painting, Easter craft stalls, hair braiding, tombola, raffles and games.
Visitors to Gateshead's Shipley Art Gallery this Saturday can try traditional crafts such as beadwork, hair braiding and textile printing, taste African food and have a go at African drumming.
30 -- 10pm 6 -7 September Hair Braiding, Characters, Face PaintingAvenues Mall 7.
Visitors have enjoyed free hair braiding and henna tattoos, plus the chance to win a holiday for two to the Maldives at the BRMB Beach Party with Russ Morris.
Other attractions include henna designing, hair braiding, nail painting, balloon twister, stilt walker, magic show, bouncy castle, pony rides, train ride, food and beverages and much more.
Children can also participate in activities like hair braiding, face painting, henna etc.
Visitors were entertained by live music and performances from refugees and an art exhibition displaying works created at outreach projects, stalls selling ethnic crafts, hair braiding, henna tattooing and face painting.
There will only be additional charges for the climbing wall and 3rd Lair Skate Park Clinic participation, as well as optional items for purchase such as caricatures, face painting, hair braiding and airbrush tattoos.
Children took part in craft workshops, hair braiding and a clown show.
Activities include tricycle jousting, balloon catapult, javelin throwing, rock tossing, archery, maze trickery, salt and jewelry art, hair braiding and hair wreaths, ring toss and medieval dancing.