curve crossing
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Avoided crossing — (sometimes misleadingly called intended crossing [for a less mathmatical explanation see [http://goldbook.iupac.org/A00544.html IUPAC Goldbook article] ] ). The eigenvalues of a Hermitian matrix depending on N continuous real parameters cannot… … Wikipedia
Space-filling curve — 3 iterations of a Peano curve construction, whose limit is a space filling curve. In mathematical analysis, a space filling curve is a curve whose range contains the entire 2 dimensional unit square (or more generally an N dimensional hypercube) … Wikipedia
Level crossing — This article is about at grade intersections between railway and road. For where two rail lines cross, see level junction. For a type of nuclear receptor (RXR), see Retinoid X receptor. A level crossing at Chertsey, England, as the barriers rise … Wikipedia
Singular point of a curve — In geometry, a singular point on a curve is one where the curve is not given by a smooth embedding of a parameter. The precise definition of a singular point depends on the type of curve being studied. Contents 1 Algebraic curves in the plane 1.1 … Wikipedia
Track transition curve — The red Euler spiral is an example of an easement curve between a blue straight line and a circular arc, shown in green … Wikipedia
Indifference curve — In microeconomic theory, an indifference curve is a graph showing different bundles of goods, each measured as to quantity, between which a consumer is indifferent. That is, at each point on the curve, the consumer has no preference for one… … Wikipedia
B & O Railroad Potomac River Crossing — Infobox nrhp | name =B O Railroad Potomac River Crossing nrhp type = caption = location= Harper s Ferry, West Virginia lat degrees = 39 lat minutes = 19 lat seconds = 27 lat direction = N long degrees = 77 long minutes = 43 long seconds = 43 long … Wikipedia
Minimum railway curve radius — 90 foot (27.43 m) radii on the elevated 4 ft 8 1⁄2 in (1,435 mm) Chicago L . There is no room for longer radii at this street intersection The minimum railway curve radius, the shortest design radius, has an… … Wikipedia
Gerogery level crossing accident — The Gerogery level crossing accident occurred at Bells Road on the Olympic Highway, where it crossed the Main Southern railway in Gerogery, New South Wales, Australia. The accident occurred on January 27, 2001 at 4.07pm and resulted in five… … Wikipedia
jordan curve theorem — noun Usage: usually capitalized J : a fundamental theorem of topology: every simple closed curve divides the plane into two regions and is the common boundary between them * * * Math. the theorem that the complement of a simple closed curve can… … Useful english dictionary
Wildlife crossing — Roads and Habitat Fragmentation Habitat fragmentation occurs when human made barriers such as roads, railroads, canals, power lines, and oil pipelines penetrate and divide wildlife habitat (Primack, 2006). Of these, roads have the most widespread … Wikipedia
