On Legendre Cordial Labeling of Some Graphs

Jason D. Andoyo and Ricky F. Rulete
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Jason D. Andoyo: University of Southeastern Philippines, Philippines
Ricky F. Rulete: University of Southeastern Philippines, Philippines

European Journal of Mathematics and Statistics, 2025, vol. 6, issue 5, 1-7

Abstract: For a simple connected graph G = (V, E), a bijective function f : V(G) → {1, 2, ..., |V|} is said to be a Legendre cordial labeling modulo p, where p is an odd prime, if the induced function fp ∗ : E(G) → {0, 1} defined by fp ∗ (uv) = 0 if (ωuv/p) = −1 or ωuv = 0, and fp ∗(uv) = 1 if (ωuv/p) = 1, where f (u) + f (v) ≡ ωuv (mod p), 0 ≤ ωuv

Keywords: Legendre cordial labeling; legendre symbol; modulo; odd prime (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejmath:v:6:y:2025:i:5:id:14409

DOI: 10.24018/ejmath.2025.6.5.409

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