/usr/share/java/jlatexmath-plugin-fop.jar is in libjlatexmath-fop-java 1.0.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/jlatexmath-fop-1.0.3.jar
/usr/share/java/jlatexmath-fop-1.0.3.jar