Variations on ( X
نویسنده
چکیده
We sketch some possible extensions of the (X;) duality ideas of Faraggi-Matone 15, 16] in two directions. First one looks at a formulation in terms of Baker-Akhiezer (BA) functions of integrable systems and secondly we sketch some of the Olavo theory of 25] in order to indicate possible connections.
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