
Boletim da Sociedade Paranaense de Matemática3ş Série. Vol. 38, nş 1, 2020.
ISSN0 0378712 (PRINT)  ISSN21751188 (ONLINE)

On Bäcklund and Ribaucour Transformations for Hyperbolic Linear Weingarten Surfaces. Claudiano Goulart
Approximation Properties of Modified SrivastavaGupta Operators Based on Certain Parameter. Alok Kumar and Vandana
Cauchy Representation of Fractional Fourier Transform for Boehmians. A. Singh and P.K. Banerji
Existence of Solution for Nonlinear Fourthorder Threepoint Boundary Value Problem. Z. Bekri and S. Benaicha
Oscillation Criteria for Generalized Liénard Type System. T. Kasbi, V. Roomi and A. J. Akbarfam
HermiteHadamard Type Inequalities for Generalized Convex Functions on Fractal Sets Style M. Tomar, P. Agarwal and J. Choi
Lacunary Statistical and Lacunary Strongly Convergence of Generalized Difference Sequences in Intuitionistic Fuzzy Normed Linear Spaces. Mausumi Sen and Mikail Et
Generalized Contraction Mappings of Rational Type and Applications to Nonlinear Integral Equations. J. R. Morales, E.M. Rojas and R.K. Bisht
Variational Analysis to Fourthorder Impulsive Differential Equationsg. S. Shokooh
Note on $p_1$Lindelöf Spaces Which are not Contra Second Countable Spaces in Bitopology. S. Acharjee, K. Papadopoulos and B. C. Tripathy
On Some Variant of a Whittaker Integral Operator and its Representative in a Class of Square Integrable Boehmianss. S. K. Q. AlOmari
On Primitive $\mathbb{Z}_p$algebra. Ameer Jaber
Some Results on the Projective Cone Normed Tensor Product Spaces Over Banach Algebras. Das, Goswami and Mishra
Construction For Fluid Flows Of Tangent Spherical Indicatrix By Flows. Talat Körpinar and Vedat Asil
Invariant Einstein Metrics on Generalized Flag Manifolds of $Sp(n)$ and $SO(2n)$. L. A. Alves and N. P. Da Silva

3ş Série. Vol. 38, nş 2, 2020.

A New Generalization of Confluent Hypergeometric Function and Whittaker Function. N.U. Khan, T. Usman and M. Ghayasuddin
Smarandache Curves for Spherical Indicatrix of the Bertrand Curves Pair. Süleyman Senyurt, Yasin Altun and Ceyda Cevahir
One Sided Generalized $(\sigma,\tau)$derivations on Rings. Evrim Guven
On FullyConvex Harmonic Functions and their Extension. Shahpour Nosrati and Ahmad Zireh
Convergence of Approximate Solution of Mixed Hammerstein Type Integral Equations. M. Nosrati Sahlan
Rprime Numbers of Degree k Abdelhakim Chillali
Convergence of a Series Leading to an Analogue of Ramanujan's Assertion on Squarefree Inetegers. G. Sudhaamsh Mohan Reddy, S. Srinivas Rau and B. Uma
Regular Classes Involving a Generalized Shift Plus Fractional Hornich Integral Operator. Rabha W. Ibrahim
Existence of Solution of Urysohn Integral Equation Through Generalized Contractive Mapping. O. P. Chauhan, D. Singh, V. Joshi, M. S. Rathore
New Characterization of $\mathcal{D}$ Focal Curves in Minkowski 3space. Talat Körpinar, Selcuk Basr and Vedat Asil
On Euler Type Integrals Involving Extended MittagLeffler Functions. E. Mittal, S. Joshi, R. M. Pandey
Invariants of First Order Partial Differential Equations. Lizandro Sanchez Challapa
Almost Semicontinuous Multifunctions via Ideals. R. Saritha and N. Rajesh
On a Nonlinear System Arising in a Theory of Thermal Explosion. S.H. Rasoul
Existence of Three Solutions to the Discrete Fourthorder Boundary Value Problem with Four Parameters. M.Ousbika and Z. El Allali
Stabilities and Nonstabilities of the Reciprocalnonic and the Reciprocaldecic Functional Equations. A. Bodaghi, B. V. Senthil Kumar and J. M. Rassias
Tarig Projected Differential Transform Method to Solve Fractional Nonlinear Partial Differential Equations. M. Bagyalakshmi and G. SaiSundarakrishnan
SerretFrenet Formulas for Octonionic Curves. Ö. Bektaş and S. Yüce
Spectral Mapping Theorem for $C_0$Semigroups of Drazin Spectrum. Abdelaziz Tajmouati and Hamid Boua
Approximate Essential Character Amenability of Banach Algebras. B. Shojaee
Nonresonance Conditions on the Potential for a Nonlinear Nonautonomous Neumann Problem A. Sanhaji and A. Dakkak
Iterated Function Systems: Transitivity and Minimality. Parham, Ghane and Ehsani
Some Novel NewtonType Methods for Solving Nonlinear Equations. M. BishehNiasar and A. Saadatmandi
Approximation of the Jensen Type Rational Functional Equation by a Fixed Point Technique. B. V. Senthil Kumar and A. Bodaghi
On the Mhypercyclicity of Cosine Function on Banach Spaces. A. Tajmouati, A. El Bakkali and A. Toukmati
Variations on Statistical Quasi Cauchy Sequences. H. Cakalli
A Topological Conjugacy of Invariant Flows on Some Class of Lie Groups. A. J. Santana and S. N. Stelmastchuk
Fixed Points of Multivalued Contractions Via Generalized Class of Simulation Functions. Deepesh Kumar Patel
Error Analysis of the Numerical Solution of the BenjaminBonaMahonyBurgers Equation. M. Zarebnia and R. Parvaz
Elliptic Curves Over the Ring R. A. Boulbot, A. Chillali, A. Mouhib
Unified Common Fixed Point Theorems in Complex Valued Metric Spaces Via an Implicit Relation With Applications. W.M. Alfaqih, M. Imdad and F. Rouzkard
Multiplicity Results for Kirchhoff Type Elliptic Problems with Hardy Potential. M. Bagheri and G. A. Afrouzi
New Approach for Accelerating Nonlinear Schwarz Iterations. N. Nagid and H. Belhadj
Infinitely Many Solutions for Nonlocal Problems with Variable Exponent and Nonhomogeneous Neumann Condition. S. Heidarkhani, A. L. A. De Araujo and A. Salari
Operational Shifted Hybrid Gegenbauer Functions Method for Solving Multiterm Time Fractional Differential Equations. N. Seyedi and H. Saeedi
A Posteriori Error Estimates for the Generalized Overlapping Domain Decomposition Method for Parabolic Equation With Mixed Boundary Condition S. Boulaaras, K. Habita and M. Haiour
On the Capitulation of the $2$ideal Classes of the Field $\mathbb{Q}(\sqrt{p_1p_2q}, i)$ of Type $(2, 2, 2)$. A. Azizi, A. Zekhnini and M. Taous
The Distance From the Holomorphically Decomposable Fredholm Spectrum. A. Tajmouati, A. El Bakkali and M.B. Mohamed Ahmed
A Study on a Class of Modified Bessel  Type Integrals in a Fréchet Space of Boehmians. S. K. Q. AlOmari
The Maximum Norm Analysis of a Nonmatching Grids Method for a Class of Parabolic Equation. S. Boulaaras, M.C. Bahi, M. Haiour and A. Zarai
On Sextic Integral Bases Using Relative Quadratic Extention. M. Sahmoudi and A. Soullami
Separated and StateConstrained Separated Linear Programming Problems on Time Scales. R. AlSalih and M. Bohner
Multiple Solutions for a Critical $p(x)$Kirchhoff Type Equations. N. Tsouli, M. Haddaoui and EL. M. Hssini
A Note on Super Integral Rings. R. K. Nath
On a Positive Solution for $(p,q)$Laplace Equation with Nonlinear Boundary Conditions and Indefinite Weights. A. Zerouali, B. Karim, O. Chakrone, A. Boukhsas
$L_r$biharmonic hypersurfaces in $\mathbb{E}^4$. A. Mohammadpouri and F.Pashaie
New Notions in Ideal Topological Space. C. Santhini and M. Suganya
Common Fixed Point Results for Various Mappings in Fuzzy Metric Spaces with Application. Manish Jain, Neetu Gupta and Sanjay Kumar
Stability in Mixed Linear Delay LevinNohel Integrodynamic Equations on Time Scales. K. Ali Khelil, A. Ardjouni and A. Djoudi
Dynamical Analysis of an Innovation Diffusion Model with Evaluation Period. R. Kumar, A. K. Sharma and K. Agnihotri
A Variation on Absolute Weighted Mean Summability Factors of Fourier Series and its Conjugate Series. Şebnem YILDIZ
Spectral Inclusions Between $\alpha$times Integrated Semigroups and Their Generators. A. Tajmouati, A. El Bakkali and M.B. Mohamed Ahmed
On a Nonlinear PDE Involving Weighted $p$Laplacian. A. El Khalil, M.D. Morchid Alaoui, M. Laghzal and A. Touzani
Numerical Simulations of Two Components Ecological Models with Sinc Collocation Method. A. Barati and A. Atabaigi
Euler Type Integral Operator Involving kMittagLeffler Function. W. A. Khan, K.S. Nisar and M. Ahmad
Boundedness and Convergence Analysis of Stochastic Differential Equations with Hurst Brownian Motion. Davood Ahmadian and Omid Farkhondeh Rouz
Nano Topology Induced by Lattices. M. Lellis Thivagar and V.Sutha Devi
A New Differential Operator of Analytic Functions Involving Binomial Series. B. A. Frasin
$C^{*}$algebras Generated by Isometries and True Representations. Mamoon Ahmed
A Class of Strongly ClosetoConvex Functions. R. K. Raina, P. Sharma and J. Sokół
A Covering Property with respect to Generalized Preopen Sets. A. Mukharjee
Some Properties of a Class of Analytic Functions Involving a New Generalized Differential Operator. A. A. Amourah and Feras Yousef
Some Fixed and Common Fixed Point Results in $G$Metric Spaces Which Can't be Obtained From Metric Spaces. W. Shatanawi and K. Abodayeh
The Image of Jordan Left Derivations on Algebras. Amin Hosseini and Ajda Fošner
Derivations with Invertible Values in Flexible Algebras. G. Lakshmi Devi and K. Jayalakshmi
Unified Integrals Involving Product of Multivariable Polynomials and Generalized Bessel Functions. K. S. Nisar, D. L. Suthar, S. D. Purohit, H. Amsalu
Reidemeister Classes for Coincidences Between Sections of a Fiber Bundle. D. Penteado and T. F. V. Paiva
Existence of Solutions for Some Strongly Nonlinear Parabolic Problems Involving Lower Order Terms in Divergence Form in MusielakOrlicz Spaces. Abdeslam Talha and Abdelmoujib Benkirane
Convergence of a Twoparameter Family of Conjugate Gradient Methods with a Fixed Formula of Stepsize. K. Bouaziz and Y. Laskri
Approximation of Signals by General Matrix Summability with Effects of Gibbs Phenomenon. B. B. Jena, Lakshmi Narayan Mishra, S. K. Paikray and U. K. Misra
Stability Analysis of Linear Conformable Fractional Differential Equations System with Time Delays. V. Mohammadnezhad, M. Eslami, and H. Rezazadeh
Regularity of Solutions for the Poisson Equation in Musielak Spaces. A. Benkirane, D. Sidi Mohamed and M. Ait Khellou
Martindale's Like Results in Inverse Semirings. S. Sara, M. Aslam, M. Yaqoub
Existence of Entropy Solutions in MusielakOrlicz Spaces Via a Sequence of Penalized Equations. M. Elmassoudi, A. Aberqi and J. Bennouna
$n$absorbing and Strongly $n$absorbing Second Submodules. H. AnsariToroghy, F. Farshadifar, and S. MalekiRoudposhti
Submanifolds of a Conformal Sasakian Manifold. E. Abedi and M. Ilmakchi
Simulations Functions and Geraghty Type Results. S. Chandok, A. Chanda, L.K. Dey, M. Pavlović, S. Radenović
Finitely Generated Rings Obtain From Hyperrings Through the Fundamental Relations. S. Mirvakili, P. Ghiasvand and B. Davvaz
OrnsteinUhlenbeck Semigroup on the Dual Space of GelfandShilov Spaces of Beurling Type. Hamed M. Obiedat and Lloyd Edgar S. Moyo
IgusaTodorov Function on Path Rings. Gustavo Mata
MarichevSaigoMaeda Fractional Integral Operators Involving the Product of Generalized BesselMaitland Functions. D. L. Suthar, P. Agarwal and Hafte Amsalu
On Representation Dimension of Tame Cluster Tilted Algebras. Gonzalez Chaio and S. Trepode
The $q$difference Operator Associated with the Multivalent Function Bounded by Conical Sections. C. Ramachandran, S. Annamalai and B. A. Frasin
InvoluteEvolute DCurves in Minkowski 3Space $E_{1}^{3}$. F. Almaz and M. A. Külahci
Hausdorff Measure of Noncompactness of Matrix Mappings on Cesŕro Spaces. G. C. Hazar and M. A. Sarigöl
Strong Convergence Theorems for Strongly Monotone Mappings in Banach spaces. M. O. Aibinu and O. T. Mewomo
On Ternary Left Almost Semigroups. Pairote Yiarayong
A Study on Local Properties of Fourier Series. Hikmet Seyhan Özarslan
A Multilevel Local Mesh Refinement with the PCD Method. A. Tahiri
Binary Relation for Tripled Fixed Point Theorem in Metric Spaces. Animesh Gupta and Vandana Rai
A New Characterization of $PSL(3,q)$. S. Asgary
Topological Degree Methods for Partial Differential Operators in Generalized Sobolev Spaces. M. Ait Hammou, E. Azroul and B. Lahmi
Solution to Linear KdV and Nonlinear Space Fractional PDEs. A. Aghili
On Spaces of Periodic Functions with Wavelet Transforms. B. Kalita and S. K. Singh
Coefficient Estimates for a New Subclass of Analytic and BiUnivalent Functions by Hadamard Product E. Analouei Adegani, A. Zireh and M. Jafari
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
New Types of Soliton Solutions for Spacetime Fractional Cubic Nonlinear Schrodinger Equation. A. Neirameh, M. Eslami and M. Mehdipoor
Characterization of the $w$Tempered Ultradistributions. AbuFalahah and H. M. Obiedat
Aplicaçőes da Teoria de Lie Ŕ Geometria Simplética. E. Gasparim e C. Varea
New Results on the Blowup of Solutions in $L^2$ at Finite Time $\ln T_1^{\ast}$ for a Damped EmdenFowler Type Degenerate Wave Equation. K. Zennir and S. G. Georgiev
Some Common Fixed Point Theorems for Four SelfMappings Satisfying a General Contractive Condition. M. Kumar, R.Sharma and S. Araci
On Exact Sequences and Strict Bounded Group Homomorphisms. Dinamérico P. Pombo Jr
Solvability of Bigeometric Differential Equations by Numerical Methods. Khirod Boruah, Bipan and A. E. Bashirov
Mapping Properties of Certain Linear Operator Associated with Hypergeometric Functions. T. Panigrahi and R. ElAshwah
$g_{\Delta_{\mu}^*}$Closed Sets in Generalized Topological Spaces. P. Jeyanthi, P. Nalayini and T. Noiri
Zariski Topology on the Spectrum of Graded Pseudo Prime Submodules. R. AbuDawwas
Graded Semiprime Multiplication Modules. R. AbuDawwas
The Generators of $3$class Group of Some Fields of Degree $6$ Over $\mathbb{Q}$. S. Aouissi, M.C. Ismaili, M. Talbi, A. Azizi
On The Existence of Positive Solutions for a Local Fractional Boundary Value Problem with an Integral Boundary Condition. A. Ahmadkhanlu
Some Fixed and Periodic Point Results for Generalized Contractions on Partial Ordered Metric Space with Applications in Metric Space M. Jaradat, J. Ahmad, C.Park, Z. Mustafa
The Necessary and Sufficient Conditions for Wavelet Frames in Sobolev Space Over Local Fields. Ashish Pathak, Dileep Kumar and Guru P. Singh
Existence of a Renormalized Solution of Nonlinear Parabolic Equations with Lower Order Term and General Measure Data. A. Marah A. Bouajaja and H. Redwane
On Generalized DrazinRiesz Operators. A. Tajmouati and M. Abkari
Weakly $\mu$Compact Via a Hereditary Class. A. Qahis, H. H. AlJarrah and T. Noiri
A New Partial Differential Equation for Image Inpainting. M. Benseghir, F.Z. Nouri and P.C. Tauber
On Connection Between the Order of a Stationary OneDimensional Dispersive Equation and the Growth of its Convective Term. N. A. Larkin and J. Luchesi
Residual Power Series Method for Solving Nonlinear Reactiondiffusionconvection Problems. M. Khader and M. DarAssi
Multiplicative Sum Zagreb Index of Splice, Bridge, and BridgeCycle Graphs. M. Azari
Certain Results on Lorentzian ParaKenmotsu Manifolds. A. Haseeb and R. Prasad
On the Uniform Ergodic for $\alpha$times Integrated Semigroups. A. Tajmouati, A. El Bakkali, F. Barki and M. A. Ould Mohamed Baba
Extremal Number of Theta Graphs of Order $7$. M. Jaradat, M.S. Bataineh, A.A. AlRhayyel, Z. Mustafa
Efficient Procedure to Generate Generalized Gaussian Noise Using Linear Spline Tools. A. Monir, H. Mraoui and A. El Hilali
On Graded Quasiprimary Submodules of Graded Modules Over Graded Commutative Rings. K. AlZoubi and R. Alkhalaf
Symmetric Generalized Biderivations on Prime Rings. F. Shujat
Multivalued Fixed Point Theorem via Fcontraction of Nadler Type and Application to Functional and Integral Equations. M. Shoaib, M. Sarwar and P. Kumam
On Several New Laplace Transforms of Generalized Hypergeometric Functions $_2F_{2}(x)$. A. O. Mohammed, M. A. Rakha, M. M. Awad, A. K. Rathie
Various Contractions in Generalized Metric Space. S. Rathee, K. Dhingra and A. Kumar
A Pair of Generalized Derivations in Prime, Semiprime Rings and in Banach Algebras. Basudeb Dhara, Venus Rahmani and Shervin Sahebi
An Efficient Numerical Method Based on Variational Iteration Method for Solving the KuramotoSivashinsky Equations. A. Hosseini
Initial Coefficient Bounds for a Subclass of mfold Symmetric Biunivalent Functions. A. Zireh and S. Hajiparvaneh
A Characterization of Ordered $\Gamma$semigroups by Ordered $(m, n)$$\Gamma$ideals. M. Y. Abbasi, A. Basar and A. Ali
Darboux Curves in Lorentzian Three Dimensional Heisenberg Group. Gülden Altay Suroğlu and Talat Körpinar
A Number of Limit Cycle of Sextic Polynomial Differential Systems via the Averaging Theory. A. Menaceur and S. Boulaaras
Novel Models for Obtaining the Closest Weak and Strong Efficient Projections in Data Envelopment Analysis. J. Vakili, H. Amirmoshiri and M .K. Mirnia
Additivity of Maps Preserving Triple Product on $\ast$ring. A. Taghavi, M. Razeghi, M. Nouri, V. Darvish and C. Li
Dynamics and Stability of $\psi$fractional Pantograph Equations with Boundary Conditions. K. Shah, D. Vivek and K. Kanagarajan
Synchronization of Different Dimensions FractionalOrder Chaotic Systems with Uncertain Parameters and Secure Communication. V. Vafaei, H. Kheiri and A. Jodayree Akbarfam
A New Proof of Classical Dixon's Summation Theorem for the Series ${}_{3}F_{2}(1)$. S. Jun, I. Kim and A. Rathie
On a New Class of Double Integrals Involving Gauss's ${}_{2}F_{1}$ Hypergeometric Function. Sungtae Jun
Existence Results Involving Fractional Liouville Derivative. A. Ghanmi and M. Althobaiti
On The New Type Of Solutions To BenneyLuke Equation. Hami Gündogdu and Ömer Faruk Gözükizil
On $\delta$ Lorentzian Trans Sasakian Manifold With A SemiSymmetric Metric Connection. M. D. Siddiqi
On the Solution of an f(R) Theory of Gravity Motivated by Gravitational Waves in Spherically Symmetric Spacetime. A. M. Mishra
Existence of Some Classes of $N(k)$quasi Einstein Manifolds. S. K. Chaubey, K. K. Bhaishya and M. Danish Siddiqi
Smarandache Curves of Bertrand Curves Pair According to Frenet Frame. S. Şenyurt, A. Çaliçkan and Ü. Çelik
On NonspreadingType Mappings in Hadamard Spaces. G. C. Ugwunnadi, C. Izuchukwu and O. T. Mewomo
Infinitely Many Solutions for a Nonlocal Elliptic System of $(p_1,\ldots,p_n)$Kirchhoff Type with Critical Exponent. G. A. Afrouzi, G. Caristi, and A. Salari
On the Derivative of a Polynomial. E. Khojastehnezhad and M. Bidkham