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Dmitri Bykov, “Flag manifold $\sigma$-models: The $\frac1{N}$-expansion and the anomaly two-form”, Nuclear Phys. B, 941 (2019), 316–360
D. V. Bykov, “The $1/N$-expansion for flag-manifold $\sigma$-models”, Theoret. and Math. Phys., 197:3 (2018), 1691–1700
Yuki Amari, Nobuyuki Sawado, “BPS sphalerons in the F2 nonlinear sigma model”, Phys. Rev. D, 97:6 (2018)
Yuki Amari, Nobuyuki Sawado, “SU(3) knot solitons: Hopfions in the F2 Skyrme–Faddeev–Niemi model”, Physics Letters B, 784 (2018), 294
D. Bykov, “Sigma Models with Complex, Graded and $\eta$-Deformed Target Spaces”, Phys. Part. Nucl., 49:5 (2018), 963–965
Dmitri Bykov, “Complex structure-induced deformations of $\sigma$-models”, JHEP, 2017, no. 3, 130–26
D. V. Bykov, “A gauged linear formulation for flag-manifold $\sigma$-models”, Theoret. and Math. Phys., 193:3 (2017), 1737–1753
D. V. Bykov, “Cyclic gradings of Lie algebras and Lax pairs for $\sigma$-models”, Theoret. and Math. Phys., 189:3 (2016), 1734–1741
Dmitri Bykov, “Sigma-models with complex homogeneous target spaces”, EPJ Web of Conf., 125 (2016), 5002–7