Boletim da Sociedade Paranaense de Matemática. 3º Série. Vol.39, 2, Maringá. 2021.

ISSN-0037-8712 (PRINT) - ISSN-2175-1188 (ONLINE)

 

Research Articles 

 

Binary Relation for Tripled Fixed Point Theorem in Metric Spaces.

Animesh Gupta and Vandana Rai

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9

A New Characterization of $PSL(3,q)$.

S. Asgary

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27

Topological Degree Methods for Partial Differential Operators in Generalized Sobolev Spaces.

M. Ait Hammou, E. Azroul and B. Lahmi

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39

Solution to Linear KdV and Nonlinear Space Fractional PDEs.


A. Aghili

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63

On Spaces of Periodic Functions with Wavelet Transforms.

B. Kalita and S. K. Singh

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75

Coefficient Estimates for a New Subclass of Analytic and Bi-Univalent Functions by Hadamard Product.

E. Analouei Adegani, A. Zireh and M. Jafari

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87

 

A New Construction on the Energy of Space Curves in Unit Vector Fields in Minkowski Space $\mathbb{E}_{2}^{4}$.

T. Korpinar and R.C. Demirkol

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105

New Types of Soliton Solutions for Space-time Fractional Cubic Nonlinear Schrodinger Equation.

A. Neirameh, M. Eslami and M. Mehdipoor

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121

Characterization of the $w-$Tempered Ultradistributions.

I. Abu-Falahah and H. M. Obiedat

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133

Aplicações da Teoria de Lie À Geometria Simplética.

E. Gasparim e C. Varea

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141

New Results on the Blow-up of Solutions in $L^2$ at Finite Time $\ln T_1^{\ast}$ for a Damped Emden-Fowler Type Degenerate Wave Equation.

K. Zennir and S. G. Georgiev

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163

Some Common Fixed Point Theorems for Four Self-Mappings Satisfying a General Contractive Condition.

M. Kumar, R.Sharma and S. Araci

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181

On Exact Sequences and Strict Bounded Group Homomorphisms.

Dinamérico P. Pombo Jr.

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195

Solvability of Bigeometric Differential Equations by Numerical Methods.

Khirod Boruah, Bipan and A. E. Bashirov

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203

Mapping Properties of Certain Linear Operator Associated with Hypergeometric Functions.

T. Panigrahi and R. El-Ashwah

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223