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Date: 6-7-2021
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Date: 15-6-2021
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Date: 30-7-2021
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A submersion is a smooth map when
given that the differential, or Jacobian, is surjective at every in . The basic example of a submersion is the canonical submersion of onto when ,
In fact, if is a submersion, then it is possible to find coordinates around in and coordinates around in such that is the canonical submersion written in these coordinates. For example, consider the submersion of onto the circle , given by .
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علامات بسيطة في جسدك قد تنذر بمرض "قاتل"
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أول صور ثلاثية الأبعاد للغدة الزعترية البشرية
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مكتبة أمّ البنين النسويّة تصدر العدد 212 من مجلّة رياض الزهراء (عليها السلام)
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