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- Title
# Edge product Cordial Labeling and Total Magic Cordial Labeling of Regular Digraphs.

- Authors
## Thamizharasi, R.; Rajeswari, R.

- Abstract
## In this paper we prove that regular digraphs are Edge product Cordial and Total magic cordial. A digraph G is said to have edge product cordial labeling if there exists a mapping, f:E(G)→{0,1} and induced vertex labeling function f* :V(G)→{0,1} such that for any vertex vi∈V(G), f* (vi) is the product of the labels of outgoing edges provided the condition v(0)- v(1)≥ 1and e(0)- e(1)≥ 1 is hold where v(i) is the number of vertices of G having label i under f* and e(i) is the number of edges of G having label i under f for i = 0,1. A digraph G is said to have a total magic cordial labeling with constant C if there exists a mapping f : V(G) E(G)→{0,1} such that for any vertex vi, the sum of the labels of outgoing edges of vi, and the label of itself is a constant C (mod2) provided the condition g(0)-g(1)≥1 is hold where g(0) = v(0) e(0) and g(1) = v(1) e(1), where v(i),e(i): i∈{0,1}are the number of vertices and edges labeled with i respectively.

- Subjects
## GRAPH labelings; MAGIC labelings; CHARTS, diagrams, etc.

- Publication
## International Journal on Information Sciences & Computing, 2015, Vol 9, Issue 2, p1

- ISSN
## 0973-9092

- Publication type
## Academic Journal

- DOI
## 10.18000/ijisac.50153