970 resultados para geometric
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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin
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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin
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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin
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"17 August 1962."
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Federal Highway Administration, McLean, Va.
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"June 1974."
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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1 ft. 1 1/2 in.x 1 ft. 11 1/2 in.; stucco
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With his Architectural illustrations ... of Carlisle cathedral. London, 1840. copy 2.
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"July 1987."
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Includes bibliographical references.
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Bibliography: leaf 46.
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In a previous paper R. Mathon gave a new construction method for maximal arcs in finite Desarguesian projective planes via closed sets of conics, as well as giving many new examples of maximal arcs. In the current paper, new classes of maximal arcs are constructed, and it is shown that every maximal arc so constructed gives rise to an infinite class of maximal arcs. Apart from when they are of Denniston type or dual hyperovals, closed sets of conics are shown to give maximal arcs that are not isomorphic to the known constructions. An easy characterisation of when a closed set of conics is of Denniston type is given. Results on the geometric structure of the maximal arcs and their duals are proved, as well as on elements of their collineation stabilisers.