Convex functions with a control function;
Sandwich theorems;
Affine functions with a control function;
Hyers–Ulam stability;
Primary 46C15;
Secondary 26B25;
39B62;
D O I:
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摘要:
We introduce affine and convex functions with a control function and present some sandwich type theorems for them. Also, Hyers–Ulam stability type results for affine and convex functions with a control function are given.