n-fold covering
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Covering space — A covering map satisfies the local triviality condition. Intuitively, such maps locally project a stack of pancakes above an open region, U, onto U. In mathematics, more specifically algebraic topology, a covering map is a continuous surjective… … Wikipedia
Covering groups of the alternating and symmetric groups — In the mathematical area of group theory, the covering groups of the alternating and symmetric groups are groups that are used to understand the projective representations of the alternating and symmetric groups. The covering groups were… … Wikipedia
Covering graph — In the mathematical discipline of graph theory, a graph C is a covering graph of another graph G if there is a covering map from the vertex set of C to the vertex set of G. A covering map f is a surjection and a local isomorphism: the… … Wikipedia
fold — 1. A ridge or margin apparently formed by the doubling back of a lamina. SYN: plica. 2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina … Medical dictionary
fold — Synonyms and related words: KO, alveolation, alveolus, antrum, arena, armpit, assembly, average, bang, bar, barricade, basin, batten, batten down, be ruined, become insolvent, bend, bisect, bolt, bomb, bosom, bowl, break, brethren, bust, button,… … Moby Thesaurus
covering — Synonyms and related words: assimilating, bigness, blanket, blanketing, border, brooding, burial, burying, calcimining, circumference, cloak, cloaking, clouding, coat, coating, collop, comprising, concealedness, concealing, concealment,… … Moby Thesaurus
Epicanthic fold — The epicanthic fold is the skin fold of the upper eyelid covering the inner corner of the eye, more often seen in Mongoloid people.[1] … Wikipedia
ep|i|can|thic fold — «EHP uh KAN thihk», a fold of skin extending from the eyelid over the inner and sometimes outer corner of the eye; epicanthus: »The Mongolian “slant,” “slit,” or “oblique” eye is due to an overdeveloped epicanthic fold…partially covering the lash … Useful english dictionary
Homeodomain fold — The homeodomain fold is a protein structural domain that binds DNA or RNA and is thus commonly found in transcription factors. The fold consists of a 60 amino acid helix turn helix structure in which three alpha helices are connected by short… … Wikipedia
epigastric fold — n a fold of peritoneum on the anterior abdominal wall covering the deep epigastric artery * * * plica umbilicalis lateralis … Medical dictionary
blind|fold — «BLYND FOHLD», verb, adjective, adverb, noun. –v.t. 1. to cover the eyes of: »The robbers blindfolded and bound their victim. 2. to cover (the eyes) with a cloth, etc.: »They blindfolded my eyes for a week after the operation. 3. Figurative. to… … Useful english dictionary
