A result on the $c_2$ invariant for powers of primes
Canadian mathematical bulletin, Tome 66 (2023) no. 4, pp. 1164-1178

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The $c_2$ invariant is an arithmetic graph invariant related to quantum field theory. We give a relation modulo p between the $c_2$ invariant at p and the $c_2$ invariant at $p^s$ by proving a relation modulo p between certain coefficients of powers of products of particularly nice polynomials. The relation at the level of the $c_2$ invariant provides evidence for a conjecture of Schnetz.
DOI : 10.4153/S0008439523000243
Mots-clés : c2 invariant, point counts, Kirchhoff polynomial
Esipova, Maria S.; Yeats, Karen. A result on the $c_2$ invariant for powers of primes. Canadian mathematical bulletin, Tome 66 (2023) no. 4, pp. 1164-1178. doi: 10.4153/S0008439523000243
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     title = {A result on the $c_2$ invariant for powers of primes},
     journal = {Canadian mathematical bulletin},
     pages = {1164--1178},
     year = {2023},
     volume = {66},
     number = {4},
     doi = {10.4153/S0008439523000243},
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