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bn:02990684n
Noun Concept
AR
No term available
EN
In mathematics, a characteristic class is a way of associating to each principal bundle of X a cohomology class of X. The cohomology class measures the extent the bundle is "twisted" and whether it possesses sections. Wikipedia
Relations
Sources
IS A
طريقة
HAS KIND
EN
Todd class
عدد تشرن
EN
Pontryagin class
EN
Segre class
HAS INSTANCE
الطبقة يولر
EN
Chern–Simons form

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