
Number Theory and Its Applications
Satyabrota Kundu, Supriyo Mazumder
₹4,239

On the Geometry of Real and Complex Functions
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The history of mathematics is, to a considerable extent, connected with the study of solutions of the equation f(x)=a=const for functions f(x) of one real or complex variable. Therefore, it is surprising that we know very little about solutions of u(x, y)=A=const for functions of two real variables.
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