Geodesic
Matrix divisors on Riemann surfaces and Lax operator algebras
Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 78 (2017) no. 1, pp. 129-144.

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Tyurin parametrization of framed vector bundles is extended to the matrix divisors with an arbitrary semi-simple structure group. The considerations are based on the recently obtained description of Lax operator algebras and finite-dimensional integrable systems in terms of $\mathbb{Z}$-gradings of semi-simple Lie algebras. 
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O. K. Sheinman. Matrix divisors on Riemann surfaces and Lax operator algebras. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 78 (2017) no. 1, pp. 129-144. http://geodesic.mathdoc.fr/item/MMO_2017_78_1_a5/

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