Sumit Banik

Sumit BanikSoftware

Open-source packages and a library for precision calculations.

Three open-source Mathematica packages for Feynman integrals and hypergeometric functions, developed with my collaborators, with seven releases so far. All are free to use under the GNU General Public License, version 3.

MBConicHulls

Mellin-Barnes integrals as hypergeometric seriesMathematicaGPL-3.0v1.3Analytic evaluation of N-fold Mellin-Barnes integrals as (multivariable) series, using conic hulls and triangulations of point configurations.Show detailsHide details
View on GitHubDownload PDFarXiv:2012.15108DOI
Releases
  1. v1.0Dec 2020Two-fold and higher Mellin-Barnes integrals with non-straight contoursarXiv:2012.15108
  2. v1.1Dec 2022Straight contours, and one-fold Mellin-Barnes integralsarXiv:2212.11839
  3. v1.2Sep 2023Triangulations, much faster than conic hulls for higher-fold integralsarXiv:2309.00409
  4. v1.3Dec 2025Polygamma functions, with both conic hulls and triangulationsarXiv:2512.19803
Requires
The example notebooks also use
Files
  • MBConicHulls.wl
  • Examples.nb
  • Pentagon.nb
  • Examples_PolyGamma.nb
Get it
git clone https://github.com/SumitBanikGit/MBConicHulls.git
Cite
Also described in

FeynGKZ

Feynman integrals from GKZ hypergeometric systemsMathematicaGPL-3.0v1.0Solving Feynman integrals via Gel’fand-Kapranov-Zelevinsky hypergeometric systems, producing series solutions valid in different kinematic regions.Show detailsHide details
View on GitHubDownload PDFarXiv:2211.01285DOI
Releases
  1. v1.0Nov 2022The first release, with the paperarXiv:2211.01285
Requires
Files
  • FeynGKZ.wl
  • Examples.nb
Get it
git clone https://github.com/anant-group/FeynGKZ.git
Cite
Also described in

HyperPrecision

Hypergeometric functions to high precisionMathematicaGPL-3.0v1.2High-precision numerical evaluation of multivariate hypergeometric functions, including outside their region of convergence.Show detailsHide details
View on GitHubDownload PDFarXiv:2605.30216DOI
Releases
  1. v1.0May 2026The first release, with the paperarXiv:2605.30216
  2. v1.2Jul 2026Adds DESolver_patch.m for the interface with DESolver, and updated examplesGitHub release
Requires
Files
  • HyperPrecision.wl
  • DESolver.m
  • DESolver_patch.m
  • Examples.nb
Get it
git clone https://github.com/HyperPrecision/HyperPrecision.git
<< HyperPrecision`

then, in Mathematica, load the package with the second line.

Cite

Library

Results that come with a paper, collected so that others can use them.

SLQ-RG

Renormalization group equations with scalar leptoquarksMathematicaGPL-3.0Jul 2023The one- and two-loop renormalization group equations of the Standard Model extended with five scalar leptoquarks, and the one-loop threshold corrections for matching onto the Standard Model.Show detailsHide details
View on GitHubDownload PDFarXiv:2307.06800DOI
Computed with
Files
  • SLQ_RGE_PyR@TE.model
  • SLQ_RGE_PyR@TE_Results.m
  • SLQ_RGE_RGBeta.nb
  • SLQ_Threshold_Matchete.nb
Get it
git clone https://github.com/SumitBanikGit/SLQ-RG.git
Cite

Contact

Feel free to get in touch. I am always happy to hear from you.

Send an email or find me on INSPIRE, GitHub and LinkedIn.

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