**Italian Journal of Pure and
Applied Mathematics
**

**Issue
n. 31-2013**

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1.
On holomorphically decomposable Fredholm
operators

2.
On
binomial operator representations of some polynomials

3.
On the
external path length of random recursive *k*-ary
trees

5.
Some
fixed point theorems for multivalued weakly
increasing operators

8.
On
the subgroups of torsion-free groups which are subrings
in every ring

10.
Antipodal
bipolar fuzzy graphs

11.
Compactification of a soft fuzzy product C-space

12.
Describing
Green's relations in ordered Γ-groupoids using a
new concept: fuzzy subsets

13.
Properties
of bipolar fuzzy hypergraphs

14.
Variation
of parameters method for thin film flow of a third grade fluid down an inclined
plane

15.
A
novel approach in homotopy perturbation method for
the expansion of non-linear terms

16.
Strongly paracompact mappings

17.
A practical
method for matrix inversion

18.
Fail-stop
designated recipient signature scheme based on elliptic curve discrete
logarithm problem

19.
Properties
of (γ,γ’)-semiopen
sets

20.
Operation
via-regular open sets

21.
Lie-admissible
hyperalgebras

22.
Finite
*p*-groups determined by an inequality of the order of any two-elements
generated subgroups

23.
Finite groups
with their automorphism groups having orders 4*pq** ^{2}* (2<

24.
Finite groups
with 6*PQ* elements of the largest order

26.
A
commutative regular monoid on rough sets

28.
An implicit method
for solving nonconvex variational
inequalities