12 citations · 24 across the 12 of their papers we have counts for
5 papers · 1 filter
Reciprocal Sum of Palindromes
Phakhinkon Phunphayap, Prapanpong Pongsriiam
A positive integer is said to be a palindrome in base (or -adic palindrome) if the representation of in base with has t…
On metric-preserving functions and fixed point theorems
Prapanpong Pongsriiam, Imchit Termwuttipong
Kirk and Shahzad have recently given fixed point theorems concerning local radial contractions and metric transforms. In this article, we replace the metric transforms by metric-pr…
Weakly Symmetrically Continuous Functions
Prapanpong Pongsriiam, Teraporn Thongsiri
We extend the definition of weak symmetric continuity to be applicable for functions defined on any nonempty subset of . Then we investigate basic properties of weakly symmetri…
Remarks on Ultrametrics and Metric-Preserving Functions
Prapanpong Pongsriiam, Imchit Termwuttipong
Functions whose composition with every metric is a metric are said to be metric-preserving. In this article, we investigate a variation of the concept of metric-preserving function…
Remarks on Uniformly Symmetrically Continuous Functions
Tammatada Khemaratchatakumthorn, Prapanpong Pongsriiam
We give the definition of uniform symmetric continuity for functions defined on a nonempty subset of the real line. Then we investigate the properties of uniformly symmetrically co…