Book Review: The location of critical points of analytic and harmonic functions

On the Critical Points of Harmonic Functions

Note on the Location of the Critical Points of Harmonic Functions.

THEOREM 1. Let the region R of the extended (x, y)-plane be bounded by a finite number of mutually disjoint Jordan curves Co, G., C2, • • • , Cn. Let the function u(x, y) be harmonic in R, continuous in the corresponding closed region, equal to zero on Co and to unity on G, C2, • • • , Cn. Denote by Ro the region bounded by Co containing the curves Ci, C2, • • • , Cn in its interior; define non...

the effect of using critical discourse analytical tools on the improvement of the learners level of critical thinking in reading comprehension

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the relationship between learners critical thinking ability and their performance in the reading sections of the tofel and ielts test

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