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Mixed Approximate(Hurewicz) Cofibration | ||
| Journal Of Wassit For Science & Medicine | ||
| Article 1, Volume 3, Issue 2, 2010, Pages 42-47 | ||
| Author | ||
| Daher Waly Freh- College of Science dept. physics Wassit University | ||
| Abstract | ||
| In this papers we study a new concept namely (M-approximate cofibration) Mixed Approximate Cofibration and(M-approximate Hurewicz cofibration) Mixed approximate Hurewicz cofibration. Most of theorem which are valid for cofibration will also be valid for (M- cofibration); the others will be valid if we add extra conditions . Among the results we obtain are: 1-A product of two Mixed approximate Cofibration(Mixed approximate Hurewicz cofibration) is also a Mixed approximate Cofibration(Mixed approximate Hurewicz cofibration) - The M-pullback of Mixed approximate Cofibration(Mixed approximate Hurewicz cofibration)is also Mixed approximate Cofibration(Mixed approximate Hurewicz cofibration | ||
| Keywords | ||
| Key Words; pullback; Lowering homotopy property | ||
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