scholarly journals q-discrete Toda molecule equation

1993 ◽  
Vol 180 (3) ◽  
pp. 249-256 ◽  
Author(s):  
Kenji Kajiwara ◽  
Yasuhiro Ohta ◽  
Junkichi Satsuma
Keyword(s):  
1998 ◽  
Vol 244 (5) ◽  
pp. 383-388 ◽  
Author(s):  
A. Nagai ◽  
T. Tokihiro ◽  
J. Satsuma
Keyword(s):  

1996 ◽  
Vol 11 (22) ◽  
pp. 1797-1806 ◽  
Author(s):  
MASATO HISAKADO ◽  
MIKI WADATI

Recursion relations for orthogonal polynomials, arising in the study of one-matrix model of two-dimensional gravity, are shown to be equivalent to the equations of the Toda-chain hierarchy supplemented by additional Virasoro constraints. This is the case without the double scaling limit. A discrete time variable to the matrix model is introduced. The discrete time dependent partition functions are given by τ functions which satisfy the discrete Toda molecule equation. Further the relations between the matrix model and the discrete time Toda theory are discussed.


1999 ◽  
Vol 255 (4-6) ◽  
pp. 265-271 ◽  
Author(s):  
A. Nagai ◽  
D. Takahashi ◽  
T. Tokihiro

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