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An Additivity theorem for cobordism categories

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 نشر من قبل Wolfgang Steimle
 تاريخ النشر 2018
  مجال البحث
والبحث باللغة English
 تأليف Wolfgang Steimle




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Using methods inspired from algebraic $K$-theory, we give a new proof of the Genauer fibration sequence, relating the cobordism categories of closed manifolds with cobordism categories of manifolds with boundaries, and of the Bokstedt-Madsen delooping of the cobordism category. Unlike the existing proofs, this approach generalizes to other cobordism-like categories of interest. Indeed we argue that the Genauer fibration sequence is an analogue, in the setting of cobordism categories, of Waldhausens Additivity theorem in algebraic $K$-theory.



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