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Roots of Chromatic Polynomials

open access: yes
Graph coloring means giving some value for each node in a graph such that adjacent nodes have different values. The values can be anything but often they are referred to as colors and the process as graph coloring.
Nieminen, Topi
core  

Coclosure operators and chromatic polynomials. [PDF]

open access: yesProc Natl Acad Sci U S A, 1990
Ray N, Schmitt W.
europepmc   +1 more source

Space-time couplings in ultrashort lasers with arbitrary nonparaxial focusing. [PDF]

open access: yesNanophotonics
Jolly SW   +5 more
europepmc   +1 more source

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