.rr (Risa/Asir). .ipynb (Python notebook). .m (Mathematica). .ml or .mma or .mpl (Maple)
Computer algebra system Risa/Asir is included in the OpenXM package distributed from OpenXM.org .

Paper

In preparation.

Common Utilities

  1. utils.m
  2. .asirrc for Mathematica and Risa/Asir interface

Section 5.1. From GKZ to N-box

2L_0m_nbox

Section 5.2. Logarithmic corrections to the on-loop Bhabha box integral

1L_bhabha_box

Section 5.3. From massive Bhabha to the massless double-box

2L_bhabha_box

Section 5.4. Unequal to equal-mass sunrise

2L_3m_sunrise

Section 5.5. Restriction of GKZ systems by the Macaulay matrix method

Section 5.6. Restriction of Appell's $F_4$ and Horn's $H_i$ functions to hypersurfaces