A_non-free_faithful_groupQ.pdf A_question_about_faithfulness.pdf Gaining_confidence_in_hts.pdf Gauss-Gassner-Alexander.pdf Grigsby_in_Iowa.pdf Iowa_tidbits.pdf Knotted_w-horns.pdf PolyPoly_Extras_-_160131.pdf PolyPoly_Extras.pdf PolyPoly_Notepad.pdf PolyPoly_Post_Mortem.pdf Scratch_March_16.pdf Shmuel_Weinberger_at_Colloquium.pdf Tail_scattering_determines_head_scattering_(not_mod_2D_rels)Q.pdf Tails_determine_headsQ.pdf Van_der_Veen_in_Iowa.pdf Willerton_Fish_Debugging.pdf