Geodesic
On the Dimension of Solution Spaces of a Noncommutative Sigma Model in the Case of Uniton Number 2
Informatics and Automation, Complex analysis and its applications, Tome 298 (2017), pp. 112-126.

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We show that the complex dimension of the set of solutions of the noncommutative $U(1)$ sigma model that are finite-dimensional perturbations of the identity operator and have canonical rank $r$ and minimal uniton number $2$ is equal to $r$. We give explicit formulas for all such solutions. 
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A. V. Domrina; A. V. Domrin. On the Dimension of Solution Spaces of a Noncommutative Sigma Model in the Case of Uniton Number 2. Informatics and Automation, Complex analysis and its applications, Tome 298 (2017), pp. 112-126. http://geodesic.mathdoc.fr/item/TRSPY_2017_298_a7/

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