add "h*-inequalities for Chromatic and Flow Polynomials"

[haraldschilly]

https://arxiv.org/abs/1804.00208

@ARTICLE{2018arXiv180400208B,
   author = {{Beck}, M. and {Leon}, E.},
    title = "{h*-inequalities for Chromatic and Flow Polynomials}",
  journal = {ArXiv e-prints},
archivePrefix = "arXiv",
   eprint = {1804.00208},
 primaryClass = "math.CO",
 keywords = {Mathematics - Combinatorics, 05C31, 05A15, 05C15, 05C21, 06A11, 52B20},
     year = 2018,
    month = mar,
   adsurl = {http://adsabs.harvard.edu/abs/2018arXiv180400208B},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}