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Chromatic polynomial after attaching a leaf
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Mathematics
Area of mathematics
Foundations of mathematics
Graph theory
Graph colouring
Chromatic polynomial
Created
2026-09-24
Updated
2026-09-24
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Attaching
a
new
leaf
to
a
graph
multiplies its
chromatic polynomial
by
t
−
1
, because after colouring the old
graph
the leaf may receive any colour except its neighbour'
s
.
Ancestors
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Chromatic polynomial
Graph colouring
Graph theory
Foundations of mathematics
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2023
/
ii
/
Paper 2
/
17H
/
b
/
Solution
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