/usr/include/madness/mra/ is in libmadness-dev 0.10.1~gite4aa500e-10.
This file is owned by root:root, with mode 0o755.
..
/usr/include/madness/mra/adquad.h
/usr/include/madness/mra/convolution1d.h
/usr/include/madness/mra/derivative.h
/usr/include/madness/mra/displacements.h
/usr/include/madness/mra/funcdefaults.h
/usr/include/madness/mra/funcimpl.h
/usr/include/madness/mra/funcplot.h
/usr/include/madness/mra/function_common_data.h
/usr/include/madness/mra/function_factory.h
/usr/include/madness/mra/function_interface.h
/usr/include/madness/mra/functypedefs.h
/usr/include/madness/mra/gfit.h
/usr/include/madness/mra/indexit.h
/usr/include/madness/mra/key.h
/usr/include/madness/mra/lbdeux.h
/usr/include/madness/mra/legendre.h
/usr/include/madness/mra/mra.h
/usr/include/madness/mra/mraimpl.h
/usr/include/madness/mra/operator.h
/usr/include/madness/mra/power.h
/usr/include/madness/mra/qmprop.h
/usr/include/madness/mra/sdf_domainmask.h
/usr/include/madness/mra/sdf_shape_3D.h
/usr/include/madness/mra/simplecache.h
/usr/include/madness/mra/twoscale.h
/usr/include/madness/mra/vmra.h
/usr/include/madness/mra/vmra1.h