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Reference.org
B-theorem
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<p>In <a href="/facts/Mathematics/pxTouaz4">mathematics</a>, the B-theorem is a result in <a href="/facts/Group_theory/NfowcI5H">finite group theory</a> formerly known as the B-conjecture. </p><p>The <a href="/facts/Theorem/f2Pe1FMD">theorem</a> states that if C {\displaystyle C} is the <a href="/facts/Centralizer_and_normalizer/AKhrEUGR">centralizer</a> of an <a href="/facts/Involution_(mathematics)/kKxYrUVa">involution</a> of a <a href="/facts/Finite_group/vv2tvogB">finite group</a>, then every component of C / O ( C ) {\displaystyle C/O(C)} is the image of a component of C {\displaystyle C} . </p>