Boletim da Sociedade Paranaense de Matemática. 3ş Série. Vol.38, 1, Maringá. 2020.

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

 

Research Articles 

 

On Bäcklund and Ribaucour Transformations for Hyperbolic Linear Weingarten Surfaces.

Claudiano Goulart

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9

Approximation Properties of Modified Srivastava-Gupta Operators Based on Certain Parameter.

Alok Kumar and Vandana

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41

Cauchy Representation of Fractional Fourier Transform for Boehmians.

A. Singh and P.K. Banerji

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55

Existence of Solution for Nonlinear Fourth-order Three-point Boundary Value Problem.


Z. Bekri and S. Benaicha

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67

Oscillation Criteria for Generalized Liénard Type System.

T. Kasbi, V. Roomi and A. J. Akbarfam

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83

Hermite-Hadamard Type Inequalities for Generalized Convex Functions on Fractal Sets Style.

M. Tomar, P. Agarwal and J. Choi

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101

 

Lacunary Statistical and Lacunary Strongly Convergence of Generalized Difference Sequences in Intuitionistic Fuzzy Normed Linear Spaces.

Mausumi Sen and Mikail Et

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117

Generalized Contraction Mappings of Rational Type and Applications to Nonlinear Integral Equations.

J. R. Morales, E.M. Rojas and R.K. Bisht

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131

Variational Analysis to Fourth-order Impulsive Differential Equations.

S. Shokooh

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151

Note on $p_1$-Lindelöf Spaces Which are not Contra Second Countable Spaces in Bitopology.

S. Acharjee, K. Papadopoulos and B. C. Tripathy

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165

On Some Variant of a Whittaker Integral Operator and its Representative in a Class of Square Integrable Boehmians.

S. K. Q. Al-Omari

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173

On Primitive $\mathbb{Z}_p$-algebra.

Ameer Jaber

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185

Some Results on the Projective Cone Normed Tensor Product Spaces Over Banach Algebras.

Das, Goswami and Mishra

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197

Construction For Fluid Flows Of Tangent Spherical Indicatrix By Flows.

Talat Körpinar and Vedat Asil

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221

Invariant Einstein Metrics on Generalized Flag Manifolds of $Sp(n)$ and $SO(2n)$.

L. A. Alves and N. P. Da Silva

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227