Mathematical Reflections - Issue 5 2026
Article #1

Three Useful Lemmas in Solving Certain Inequalities of 4 Variables
by Titu Andreescu and Marius Stanean

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Article #2

Isogonal Conjugacy Without Angles: Generalizations and Properties of Remarkable Cevian Points
by Eldar Ussenov

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Problem Column

The deadline for submissions is November 15, 2026

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Solutions

Solutions to Mathematical Reflections 4, 2026:

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