| Table of contents Rev.colomb.mat. vol.56 no.1 Bogotá Jan./June 2022 Original articles | | | | · Faà di Bruno Hopf algebras Figueroa, Héctor; Várilly, Joseph C.; Gracia-Bondía, José M.
| | | | · A novel iterative method to solve nonlinear wave-like equations of fractional order with variable coefficients Khalouta, Ali
| | | | · Induced character in equivariant K-theory, wreath products and pullback of groups Combariza, German; Rodriguez, Juan; Velasquez, Mario
| | | | · Sizes of flats of cycle matroids of complete graphs Kriel, Christo; Mphako-Banda, Eunice
| | | | · On quantum codes from codes over R m Mehry, Shahram
| | | | · On the invariant rational curves of a certain family of polynomial differential equations Díaz-Marín, Homero; Osuna, Osvaldo
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