We will use regularization method and upper and lower solution technique to give the local existence, global existence and uniqueness results.

我们将利用正则化方法和上下解技巧给出局部古典解和整体古典解的存在唯一性。

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In this paper, we establish the local existence and uniqueness of the solution by using regularization method. We also obtain the global existence and nonexistence. Finally, we get the blow-up rate.

本文运用正则化方法证明了一类退化抛物方程解的存在唯一性，讨论了解的全局存在性与爆破，并在一定的初值条件下得到了解的爆破速率。

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