We confirm the Halperin-Carlsson conjecture for free Z_p-torus actions(p is a prime) on 2-dimensional finite CW-complexes and free Z_2-torus actions on closed 3-manifolds.
基金supported by National Natural Science Foundation of China (Grant No. 11371188)the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD)
文摘We confirm the Halperin-Carlsson conjecture for free Z_p-torus actions(p is a prime) on 2-dimensional finite CW-complexes and free Z_2-torus actions on closed 3-manifolds.