PHI-1.2 released

A lot of improvements and bug fixes have been made (see below), most of them inspired by my work on the calculation of the K -> 2 pi decay (see “Dispersion relations and soft pion theorems for K -> pi pi”). The most important of these is probably the new function UNMSplit). This new version of PHI is included in the new version 4.1.1 of FeynCalc. Examples of how to use it will be available shortly.

There is still a lot to be done. In particular, cleaning up example calculations of the scalar and vector form factors, writing documentation and, of course, doing more calculations.

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