特殊用法arithmetic genus1.算术亏格combinatorial genus1.组合亏格effective genus1.有效亏格geometric genus1.几何亏格multiple genus1.多重亏格nonsingular genus1.非奇(异)亏格principal genus1.主亏格spinor genus1.旋量亏格virtual(arithmetic) genus1.假(算术)亏格genus of a canonical product1.典范积的亏格genus of a closed surface1.闭曲面的亏格genus of a meromorphic function1.亚纯函数的亏格