▁is ▁divided ▁into ▁ 6 ▁bor ough s ▁compos ing ▁the ▁entire ▁municipality . ▁ ▁Qu er ét aro ▁Qu er ét aro , ▁is ▁divided ▁into ▁ 7 ▁bor ough s ▁that ▁compose ▁the ▁entire ▁municipality , ▁most ▁of ▁which ▁is ▁urban ized . ▁Gre ater ▁Qu er ét aro , ▁that ▁is ▁the ▁metropol itan ▁area ▁of ▁Qu er ét aro , ▁includes ▁other ▁municipal ities . ▁ ▁Quint ana ▁Ro o ▁Ben ito ▁Ju á rez , ▁is ▁divided ▁into ▁three ▁bor ough s ▁that ▁compose ▁the ▁entire ▁municipality . ▁ ▁Tab as co ▁Centro , ▁ ▁is ▁divided ▁into ▁ 1 3 3 ▁bor ough s , ▁of ▁which ▁ 3 0 ▁per tain ▁to ▁the ▁city ▁of ▁Villa h erm osa , ▁ 8 ▁to ▁other ▁towns ▁( 7 ▁vill as ▁and ▁one ▁pob l ado ) ▁and ▁ 9 5 ▁to ▁rural ▁areas ▁( ranch er ías ). ▁ ▁See ▁also ▁ ▁Col onia ▁( M ex ico ) ▁ ▁Political ▁divisions ▁of ▁Mexico ▁ ▁Municipal ities ▁of ▁Mexico ▁ ▁References ▁ ▁Category : Sub div isions ▁of ▁Mexico ▁Mexico ▁ 3 ▁Bor ough s , ▁Mexico <0x0A> </s> ▁In ▁mathematics , ▁Kh ovan ov ▁hom ology ▁is ▁an ▁orient ed ▁link ▁invariant ▁that ▁ar ises ▁as ▁the ▁hom ology ▁of ▁a ▁chain ▁complex . ▁It ▁may ▁be ▁regarded ▁as ▁a ▁categor ification ▁of ▁the ▁Jones ▁polynomial . ▁ ▁It ▁was ▁developed ▁in ▁the ▁late ▁ 1 9 9 0 s ▁by ▁Mik h ail ▁Kh ovan