2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/24190We analyze the thermal conductivity of frustrated spin-1/2 chains within linear-response theory focusing on its frequency dependence at finite temperatures. Using exact diagonalization, the low-frequency limit of the thermal conductivity is discussed in the high-temperature regime.2 pages, 1 figure. Submitted to SCES'04Strongly Correlated ElectronsStatistical Mechanicstext