Abstract
Numerical calculations are performed for the large scale distribution of dark matter and galaxies under the open cosmic string model. According to the scenario, sheetlike structures are wakes which are traces of open cosmic strings, filaments are intersections of such wakes, and rich clusters of galaxies are high density regions where three wakes intersect. Typical isodensity surfaces and cone diagrams are shown for the three types of structures. Patterns by a slice selection of the wakes around a rich cluster are compared with the CfA observations.
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