Cohomological rigidity of solvable Lie algebras of maximal ran

B. A. Omirov, G. O. Solijanova, G. Kh. Urazmatov

We study the second cohomology group with coefficients in the adjoint module for a class of solvable Lie algebras ${\mathcal{R}}_{\mathcal{T}}$ that arise as maximal solvable extensi…