It follows that < 0, >

D=(~ ~). and A¥, A~, Bf are defined similarly as in the in viscid case. Let

Kreiss

To satisfy (29) and (31), o 1 and o 2 must satisfy

(33)

(34)

(35)

(36)

(40)

( 1+0(8)) <Po= 0(8) ao, ~0 = 1, where [R]~

Now consider the viscous eigenvalue problem. We shall give a sketch of a proof of the following theorem.