| [1] | D.Bisch. A note on intermediate subfactors. Pac.J.Math.163(1994), 201-216. |
| |
| [2] | E.Christensen, Subalgebras of finite algebra, Math.Ann.243(1979), 17-29. |
| |
| [3] | F. Goodman, P. S. Delaharpe and V. Jones, Coxter graph and towers of algebras. Math. Sci. Res. Hist.Publ., Springer-Verlag, V. 14, 1989. |
| |
| [4] | U.Haagerup, Principal graphs of a subfactors, Proceeding of the Tan-guchi Simposium on operator algebras, World scientific, 1999. |
| |
| [5] | V.Jones, Index for subfactors, Invent Math 72 (1983), 1-25. |
| |
| [6] | V.Jones, V.S.Sunder, Introduction to Subfactors. Combridge Univer-sity Press. 1997. |
| |
| [7] | M.Khoshkam and B.Mashood, Rigidity in commuting squres, New Ze-land Journal Of Math. V. 32(2003), 37-56. |
| |
| [8] | M.Khoshkam and B.Mashood, On the relative commutants of subfac-tors, Proceeding of A.M.S 126(1998)2725-2732. |
| |
| [9] | B.Mashood, On a ladder of commuting squares and a pair of factors generated by them, preprint(1990)Dept.Math.University of Victoria. Canada.BC.V8W 2Y2. |
| |
| [10] | B.Mashood, On the tower of relative commutants part-I, Math Japonica 37, No.5(1992)901-906. |
| |
| [11] | B.Mashood, and K.Taylor, On the continuity of the index of subfactor of a finite factor, J.Func.anal.76 no.11(1988)56-66. |
| |
| [12] | A.Ocneanu, Quantized groups, string algreba, operator algebra and application, London Math Society. Lecture notes ser. 136 119-172, Cambridge University Press, 1988. |
| |
| [13] | M.Pimsner, S.Popa, Entropy and Index for subfactors., Ann.Sci.Ecole Norm.Sup. 19 (1986). |
| |
| [14] | M.Pimsner, S.Popa, Finite dimensional approximation for pair of algebras and obstruction for index, J.Func.Anal.98(1991), 270-291. |
| |
| [15] | M.Pimsner, S.Popa, Sur les sous facteurs d'indice fini d'facteur de type II ayant propriet T,C.R.Acad.Sci, 303(1986), 359-361. |
| |
| [16] | S.Popa, Classifcation of amenable subfactors of type II., Acta Math., 172(1994), 163-255. |
| |
| [17] | S.Popa, Sur la classification d' facteur hyperfini, Comtes rendus (1990), 95-100. |
| |
| [18] | N.Sato, Two subfactors arising from a non-degenerate commuting squares, Pac.J.Math.Vol.180, No 2, 1997, 369-376. |
| |
| [19] | H.Wenzl, Hecke algebras of type An and subfactors, Invent, Math.92(1998) 349-383. |
| |