Funder
The National Natural Science Foundation of China
Publisher
Springer Science and Business Media LLC
Subject
Applied Mathematics,Algebra and Number Theory,Analysis
Reference21 articles.
1. Balakrishnan, R.: C-integrability of the Belavin–Polyakov equation using classical differential geometry. Phys. Lett. A 204, 243–246 (1995).
https://doi.org/10.1016/0375-9601(95)00498-R
2. Liouville, J.: Sur l’équation aux différences partielles
d
2
d
u
d
v
log
λ
±
λ
2
a
2
=
0
$\frac{d^{2}}{du\,dv}\log \lambda \pm \frac{\lambda }{2a^{2}}=0$
. J. Math. Pures Appl. 18, 71–72 (1853)
3. Belavin, A.A., Polyakov, A.M., Zamolodchikov, A.B.: Infinite conformal symmetry group in two-dimensional quantum field theory. Nucl. Phys. 241(2), 333–380 (1984).
https://doi.org/10.1016/0550-3213(84)90052-X
4. Polyakov, A.M.: Gauge Fields and Strings. Harwood Academic, New York (1987)
5. Kazdan, J.L., Warner, F.W.: Curvature functions for open 2-manifolds. Ann. Math. 99(2), 203–219 (1974)