Robuta

https://arxiv.org/abs/1709.00454 [1709.00454] A directed graph generalization of chromatic quasisymmetric functions Abstract page for arXiv paper 1709.00454: A directed graph generalization of chromatic quasisymmetric functions directed graph170900454generalizationchromatic https://arxiv.org/abs/2012.00454 [2012.00454] Gluonic Tetracharm Configuration of $X(6900)$ Abstract page for arXiv paper 2012.00454: Gluonic Tetracharm Configuration of $X(6900)$ 201200454configurationx6900