Generalized Hyers-Ulam Stability of an Additive–Quadratic–Cubic–Quartic Functional Equation

We will prove the generalized Hyers-Ulam stability of an additive–quadratic–cubic–quartic functional equation ∑m=15(−1)m−1[∑1≤i1<⋯<im≤5f(xi1+xi2+⋯+xim)]=0 in the spirit of Găvruţa.

Authors

Yang-Hi Lee (ORCID: https://orcid.org/0000-0002-9013-2925)
Sun-Sook Jin

Institutions

Gongju National University of Education (KR)

Publication Details

Journal: Symmetry
Published: 2026-03-03
DOI: https://doi.org/10.3390/sym18030438
Primary Topic: Functional Equations Stability Results
Type: article
Field-Weighted Citation Impact: 0.00

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article

Generalized Hyers-Ulam Stability of an Additive–Quadratic–Cubic–Quartic Functional Equation

Yang-Hi Lee, Sun-Sook Jin

Mar 3, 2026

Symmetry

Functional Equations Stability Results

article

Generalized Hyers-Ulam Stability of an Additive–Quadratic–Cubic–Quartic Functional Equation

Yang-Hi Lee, Sun-Sook Jin

March 3, 2026article en

Abstract

SymmetryVol. 18(3)

Gongju National University of Education (KR)

Openalex Percentile: Top 33%

Functional Equations Stability Results

DOI Open Access PDF OpenAlex

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Generalized Hyers-Ulam Stability of an Additive–Quadratic–Cubic–Quartic Functional Equation — Yang-Hi Lee, Sun-Sook Jin · Symmetry (2026) | TGRS Research Map | TGRS