In the present paper, we investigate the non-Heegaard 2-compressible surfaces in small 3-manifolds, and show that such surfaces have some good properties.
基金supported in part by the National Natural Science Foundation of China(Grant No.10171024)a grant of the outstanding youth fellowship of Heilongjiang Province.
文摘In the present paper, we investigate the non-Heegaard 2-compressible surfaces in small 3-manifolds, and show that such surfaces have some good properties.