Magma codes for the paper "Quasiphantom categories on a family of surfaces isogenous to a higher product" by Hyun Kyu Kim, Yun-Hwan Kim and Kyoung-Seog Lee.
Readers can download the text file KKL_Appendix_B.txt containing the code identical to the one presented in Appendix B of the paper. They can copy and paste to their Magma.
The file KKL_codes.txt contains all the codes in KKL_Appendix_B.txt with detailed descriptions, together with some more computations relevant to the paper.
Those who do not have a Magma license can use the online Magma calculator at http://magma.maths.usyd.edu.au/calc/
Questions can be directed to Hyun Kyu Kim: hyunkyu87 at gmail
last update: Nov. 7, 2015