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The topic of this letter is structure formation with topological defects. Wefirst present a partially new, fully local and gauge invariant system ofperturbation equations to treat microwave background and dark matterfluctuations induced by topological defects (or any other type of seeds). Weshow that this treatment is extremly well suited for linear numerical analysisof structure formation by applying it to the texture scenario. Our numericalresults cover a larger dynamical range than previous investigations and arecomplementary since we use substantially different methods.Comment: 8 pages, LaTeX, ZU-TH21/9

Structure Formation in the Universe from Texture Induced Fluctuations