TY - JOUR AU - Ancochea Bermúdez, José María AU - Campoamor Stursberg, Otto-Rudwig PY - 2016 DO - 10.1016/j.laa.2015.09.041 SN - 0024-3795 UR - https://hdl.handle.net/20.500.14352/24280 T2 - Linear Algebra and its Applications AB - It is shown that for a finite-dimensional solvable rigid Lie algebra r, its rank is upper bounded by the length of the characteristic sequence c(n) of its nilradical n. For any characteristic sequence c = (n(1),..., n(k,) 1), it is proved that there... LA - eng M2 - 135 PB - Elsevier Science KW - Lie algebra KW - Solvable KW - Rigidity KW - Rank KW - Cohomology KW - Characteristic sequence TI - Cohomologically rigid solvable Lie algebras with a nilradical of arbitrary characteristic sequence. TY - journal article VL - 488 ER -