Classical attempts at solution of elliptic partial differential equations with oblique derivative boundary conditions have been through the establishment of equivalent singular integral equations, using complex analytic continuation.
But Walker's track record and The Color Purple's singular clarity made the outside (white) literary establishment take notice.
These are not inconsequential disagreements with the Republican Party and he has been almost singular in being willing to disagree with the Republican establishment.
In one corner, a singular man who is no respecter of authority, who is still the scourge of the establishment, and whose outspoken views have often got him into trouble.
Second, the establishment of a governing Commission in 1984 strengthened its monopoly power, and enabled it to set a singular vision for the game's development.
Singular "therapist," plural "their," singular "her".
Plural "their," singular "student".
Super powerful, super singular.
Make it singular throughout.
The singular is "criterion".
