Communications in Combinatorics and Optimization

A

ABC index Relationships between Randic index and other topological indices [Volume 6, Issue 1, 2021, Pages 137-154]
Augmented Zagreb index Relationships between Randic index and other topological indices [Volume 6, Issue 1, 2021, Pages 137-154]

B

Bell number Stirling number of the fourth kind and lucky partitions of a finite set [Volume 6, Issue 2, 2021, Pages 211-219]

D

Directed graph Twin signed total Roman domatic numbers in digraphs [Volume 6, Issue 1, 2021, Pages 17-26]
Distinct edge geodetic decomposition Distinct edge geodetic decomposition in graphs [Volume 6, Issue 2, 2021, Pages 185-196]
Distinct edge geodetic decomposition number Distinct edge geodetic decomposition in graphs [Volume 6, Issue 2, 2021, Pages 185-196]
Domatic number The upper domatic number of powers of graphs [Volume 6, Issue 1, 2021, Pages 53-65]
Domination number Total domination in cubic Knödel graphs [Volume 6, Issue 2, 2021, Pages 221-230]

E

Edge geodetic number Distinct edge geodetic decomposition in graphs [Volume 6, Issue 2, 2021, Pages 185-196]
Exact 1-step dominating set Strength of strongest dominating sets in fuzzy graphs [Volume 6, Issue 2, 2021, Pages 287-297]

G

Gallai-mortal graph A survey of the studies on Gallai and anti-Gallai graphs [Volume 6, Issue 1, 2021, Pages 93-112]
Geometric-Arithmetic index Relationships between Randic index and other topological indices [Volume 6, Issue 1, 2021, Pages 137-154]
Grid graph Line completion number of grid graph Pn × Pm [Volume 6, Issue 2, 2021, Pages 299-313]

I

Irregularity On the extremal total irregularity index of n-vertex trees with fixed maximum degree [Volume 6, Issue 1, 2021, Pages 113-121]

K

Knodel graph Total domination in cubic Knödel graphs [Volume 6, Issue 2, 2021, Pages 221-230]

L

Laplacian matrix Some remarks on the sum of the inverse values of the normalized signless Laplacian eigenvalues of graphs [Volume 6, Issue 2, 2021, Pages 259-271]
Line completion number Line completion number of grid graph Pn × Pm [Volume 6, Issue 2, 2021, Pages 299-313]
Line graph A survey of the studies on Gallai and anti-Gallai graphs [Volume 6, Issue 1, 2021, Pages 93-112]
Line graph Line completion number of grid graph Pn × Pm [Volume 6, Issue 2, 2021, Pages 299-313]
Lucky partition Stirling number of the fourth kind and lucky partitions of a finite set [Volume 6, Issue 2, 2021, Pages 211-219]

M

Molecular descriptor On the variable sum exdeg index and cut edges of graphs [Volume 6, Issue 2, 2021, Pages 249-257]

N

Nordhaus-Gaddum type bound Strength of strongest dominating sets in fuzzy graphs [Volume 6, Issue 2, 2021, Pages 287-297]

O

Outer independent Roman dominating function‎ Outer independent Roman domination number of trees [Volume 6, Issue 2, 2021, Pages 273-286]

P

Pigeonhole Principle Total domination in cubic Knödel graphs [Volume 6, Issue 2, 2021, Pages 221-230]

R

Randi'c index Relationships between Randic index and other topological indices [Volume 6, Issue 1, 2021, Pages 137-154]
Randi'c index, general sum-connectivity index A note on polyomino chains with extremum general sum-connectivity index [Volume 6, Issue 1, 2021, Pages 81-91]
Roman domination Bounds on the outer-independent double Italian domination number [Volume 6, Issue 1, 2021, Pages 123-136]

S

Signed Roman $k$-dominating function Weak signed Roman $k$-domination in graphs [Volume 6, Issue 1, 2021, Pages 1-15]
Signed Roman $k$-domination number Weak signed Roman $k$-domination in graphs [Volume 6, Issue 1, 2021, Pages 1-15]
Signed total Italian k-dominating function Signed total Italian k-domination in graphs [Volume 6, Issue 2, 2021, Pages 171-183]
Signed total Italian k-domination number Signed total Italian k-domination in graphs [Volume 6, Issue 2, 2021, Pages 171-183]
Signed total Roman k-dominating function Signed total Italian k-domination in graphs [Volume 6, Issue 2, 2021, Pages 171-183]
Signed total Roman k-domination number Signed total Italian k-domination in graphs [Volume 6, Issue 2, 2021, Pages 171-183]
Star decomposition Distinct edge geodetic decomposition in graphs [Volume 6, Issue 2, 2021, Pages 185-196]
Stirling number of the fourth kind Stirling number of the fourth kind and lucky partitions of a finite set [Volume 6, Issue 2, 2021, Pages 211-219]
Stirling number of the second kind Stirling number of the fourth kind and lucky partitions of a finite set [Volume 6, Issue 2, 2021, Pages 211-219]
Strongest dominating set in fuzzy graphs Strength of strongest dominating sets in fuzzy graphs [Volume 6, Issue 2, 2021, Pages 287-297]
Super line graph Line completion number of grid graph Pn × Pm [Volume 6, Issue 2, 2021, Pages 299-313]

T

Topological indices A note on the first Zagreb index and coindex of graphs [Volume 6, Issue 1, 2021, Pages 41-51]

U

Upper domatic number The upper domatic number of powers of graphs [Volume 6, Issue 1, 2021, Pages 53-65]
Upper domatic partition The upper domatic number of powers of graphs [Volume 6, Issue 1, 2021, Pages 53-65]

W

Weak signed Roman $k$-dominating function Weak signed Roman $k$-domination in graphs [Volume 6, Issue 1, 2021, Pages 1-15]
Weighted Hermite--Hadamard inequality A generalized form of the Hermite-Hadamard-Fejer type inequalities involving fractional integral for co-ordinated convex functions [Volume 6, Issue 1, 2021, Pages 27-40]

Z

Zagreb energy On Zagreb Energy and edge-Zagreb energy [Volume 6, Issue 1, 2021, Pages 155-169]
Zagreb indices Relationships between Randic index and other topological indices [Volume 6, Issue 1, 2021, Pages 137-154]

Keyword Index

A

B

D

E

G

I

K

L

M

N

O

P

R

S

T

U

W

Z