/usr/include/polymake/polytope/ is in libpolymake-dev-common 3.2r2-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/polymake/polytope/CubeFacets.h
/usr/include/polymake/polytope/beneath_beyond.h
/usr/include/polymake/polytope/beneath_beyond.tcc
/usr/include/polymake/polytope/bisector.h
/usr/include/polymake/polytope/canonicalize.h
/usr/include/polymake/polytope/cayley_embedding.h
/usr/include/polymake/polytope/cdd_interface.h
/usr/include/polymake/polytope/cdd_interface_impl.h
/usr/include/polymake/polytope/cocircuit_datacache.h
/usr/include/polymake/polytope/cocircuit_equations.h
/usr/include/polymake/polytope/compress_incidence.h
/usr/include/polymake/polytope/cube_group.h
/usr/include/polymake/polytope/face_lattice_tools.h
/usr/include/polymake/polytope/gale_tools.h
/usr/include/polymake/polytope/hasse_diagram.h
/usr/include/polymake/polytope/hypersimplex.h
/usr/include/polymake/polytope/is_regular.h
/usr/include/polymake/polytope/lpch_dispatcher.h
/usr/include/polymake/polytope/lrs_interface.h
/usr/include/polymake/polytope/minkowski_sum_fukuda.h
/usr/include/polymake/polytope/poly2lp.h
/usr/include/polymake/polytope/ppl_interface.h
/usr/include/polymake/polytope/ppl_interface_impl.h
/usr/include/polymake/polytope/quotient_space_tools.h
/usr/include/polymake/polytope/representative_simplices.h
/usr/include/polymake/polytope/schlegel_common.h
/usr/include/polymake/polytope/separating_hyperplane.h
/usr/include/polymake/polytope/simple_roots.h
/usr/include/polymake/polytope/simplex_tools.h
/usr/include/polymake/polytope/symmetrized_cocircuit_equations.h
/usr/include/polymake/polytope/symmetrized_cocircuit_equations_0.h
/usr/include/polymake/polytope/sympol_config.h
/usr/include/polymake/polytope/sympol_interface.h
/usr/include/polymake/polytope/sympol_raycomputation_beneathbeyond.h
/usr/include/polymake/polytope/sympol_raycomputation_ppl.h
/usr/include/polymake/polytope/to_interface.h
/usr/include/polymake/polytope/to_interface_impl.h
/usr/include/polymake/polytope/transform.h