论文标题
连接的代数子组不在最大
Connected algebraic subgroups not lying in a maximal one
论文作者
论文摘要
我们证明，对于每个$ n \ geq 2 $，都存在一个尺寸为n的规则的x，使得bir（x）包含连接的代数子群，这些代数不在最大值中。
We prove that for each $n \geq 2$, there exists a ruled variety X of dimension n such that Bir(X) contains connected algebraic subgroups which are not lying in a maximal one.
