Index
221
T
Tensor algebra, 45
Trivial extension, 164
Twist-sewing, 35
Twisted modular endomorphism operad, 153
U
Ultra-violet divergencies, 38
Unordered tensor product, 106
Unshuffle, 40, 194
Unshuffle isomorphism, 111
V
Vertex of a graph, 117
Virasoro algebra, 29
W
Weyl invariance, 28
Wick-rotated, 27
Wick rotation, 17
Wilsonian effective action, 19
Witt algebra, 29
World-volume action, 27