Indian Journal of Pure and Applied Mathematics

2010 - 2025

Current editor(s): Nidhi Chandhoke

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Volume 56, issue 3, 2025

Generalized Inverse Preservers of Hadamard Circulant Majorization pp. 883-890

C. C. Hsu, P. R. Raickwade and K. C. Sivakumar

Frame Scaling by Graphs pp. 891-900

K. Ayyanar, P. Sam Johnson and A. Senthil Thilak

Linear Sufficiency and Permissible Covariance Structures for Retention of BLUEs in Linear Models pp. 901-916

Stephen J. Haslett, Jarkko Isotalo, Augustyn Markiewicz and Simo Puntanen

Additive Properties of the generalized and pseudo n-strong Drazin Inverse in Banach Algebras pp. 917-929

Rounak Biswas and Falguni Roy

A Linearized Alternating Direction Method of Multipliers for Solving Complex Semi-Symmetric Tensor Equations and its Applications pp. 930-959

Shenghao Feng, Yimin Wei, Renjie Xu and Eric King-wah Chu

Generalized Core-EP Inverse: Representational and Computational Aspects pp. 960-972

Geeta Chowdhry and Falguni Roy

Computational Procedure for System Length and Waiting-time Distribution in an $$M^{X}/D/c/N$$ M X / D / c / N Queue pp. 973-988

Sitaram Barik, Abhijit Datta Banik, Mohan L. Chaudhry and Saroja Kumar Singh

A Contribution to Condition Numbers of Quaternion Least Squares Problems pp. 989-1004

Qiaohua Liu, Yuejuan Yu and Yimin Wei

Riesz Bases in Krein Spaces pp. 1005-1013

Shah Jahan and P. Sam Johnson

On solving a larger subclass of linear complementarity problems by Lemke’s method pp. 1014-1025

Sajal Ghosh, Gambheer Singh, Deepayan Sarkar and S. K. Neogy

Reverse order law for Moore-Penrose inverse of closed operators and its applications pp. 1026-1035

K Athira Satheesh, P. Sam Johnson and K. Kamaraj

Hyperfilters and Convex Subhyperlattices in a Join Hyperlattice pp. 1036-1047

N. Aishwarya Nayak, Pallavi Panjarike, Syam Prasad Kuncham, Tapatee Sahoo and Harikrishnan Panackal

On linear transformations preserving star partial order in indefinite inner product spaces pp. 1048-1052

K. Kamaraj and A. Karpagam

Different Prime Product Fractal Ideals in a Nearring pp. 1053-1064

Chaithra B. J, Babushri Srinivas Kedukodi, Aishwarya S, Kavitha Koppula and Syam Prasad Kuncham

Condition S-spectrum of Special Quaternionic Operators pp. 1065-1077

Akhitha M S and Krishna Kumar G

Graph with respect to large ideals of an N-group pp. 1078-1089

Rajani Salvankar, H. L. Yashaswini, Kedukodi Babushri Srinivas, Harikrishnan Panackal and Kuncham Syam Prasad

On Index Reduction and Column Regularization for Rectangular Descriptor Systems via Input Feedbacks pp. 1090-1101

Mamoni Paitandi and Mahendra Kumar Gupta

Generalized Core-nilpotent Decomposition of Ring Elements pp. 1102-1109

Savitha Varkady, Umashankara Kelathaya and Manjunatha Prasad Karantha

Embedding into Hadamard matrices pp. 1110-1116

Pankaj Kumar Manjhi

Construction of Fiedler-Like Linearizations: An Algorithmic Approach pp. 1117-1130

Ranjan Kumar Das

Complementable operators and their Schur complements pp. 1131-1143

Sachin Manjunath Naik and P. Sam Johnson

On coneigenvalues of quaternion matrices: location and perturbation pp. 1144-1155

Pallavi Basavaraju, Shrinath Hadimani and Sachindranath Jayaraman

On Weak Pseudo-regular Splittings of Bounded Linear Operators and Nonnegative Moore-Penrose Inverses pp. 1156-1162

Archana Bhat and Kurmayya Tamminana

$$\textit{A}$$ A -approximate point spectrum of $$\textit{A}$$ A -bounded operators in semi-Hilbertian spaces pp. 1163-1176

Arup Majumdar and P. Sam Johnson

Self-duality and Maximal Angle of Proper Cones pp. 1177-1181

Manu Mathew and Chandrashekaran Arumugasamy

Point-wise time-space estimates for a class of oscillatory integrals and their applications pp. 1182-1192

JinMyong Kim and JinMyong An

On the line graph structure of the cozero-divisor graph of a commutative ring pp. 1193-1199

Mojgan Afkhami and Zahra Barati

On LCD codes over $$\mathbb {Z}_4$$ Z 4 pp. 1200-1210

Sanjit Bhowmick, Satya Bagchi and Ramakrishna Bandi

Quadrangular and pentagonal maps on the torus with a given degree sequence pp. 1211-1221

Dipendu Maity

Revisiting J-semicommutative rings pp. 1222-1229

Tikaram Subedi and Debraj Roy

Integer partitions with restricted odd and even parts pp. 1230-1234

Nipen Saikia

On infinity type hyperplane arrangements and convex positive bijections pp. 1235-1259

C. P. Anil Kumar

Homogenization of the Neumann boundary value problem: polygonal domains pp. 1260-1268

Jie Zhao, Juan Wang and Jianlin Zhang

Berezin symbols and some problems on the Dirichlet space pp. 1269-1277

Ulaş Yamancı

On a theorem of Kanold on odd perfect numbers pp. 1278-1284

Tomohiro Yamada

Volume 56, issue 2, 2025

Some identities and properties on degenerate Stirling numbers pp. 433-447

Taekyun Kim and Dae San Kim

Vector valued Beurling algebra analogues of Wiener’s theorem pp. 448-461

Prakash A. Dabhi and Karishman B. Solanki

Jacobi–Dunkl summation kernels pp. 462-476

Iness Haouala

Evolution of eigenvalue of the Wentzell-Laplace operator along the geodesic curvature flow pp. 477-488

Shahroud Azami

The solution of the time-space fractional diffusion equation based on the Chebyshev collocation method pp. 489-498

Junsheng Duan and Lixia Jing

Pascal-like matrix with double factorial binomial coefficients pp. 499-511

Gonca Kizilaslan

An investigation of an inverse problem for second-order abstract differential equation pp. 512-525

Muslim Malik, Santosh Ruhil and Rajesh Dhayal

Bernstein-type inequalities for a polynomial not vanishing in a disk pp. 526-534

Abdullah Mir and Firdose Ahmad

Total coloring of graphs associated with algebraic structures and ordered structures pp. 535-544

Nilesh Khandekar and Vinayak Joshi

Reducibility type of polynomials modulo a prime pp. 545-554

Joshua Harrington and Lenny Jones

On the signless Laplacian energy of a digraph pp. 555-570

Hilal A. Ganie

Enumeration of doubly semi-equivelar maps on the Klein bottle pp. 571-594

Yogendra Singh and Anand Kumar Tiwari

On Ramanujan expansions with additive coefficients pp. 595-600

Maurizio Laporta

Dispersion matrix comparisons among estimators under two competing restricted linear regression models pp. 601-614

Xingwei Ren and Qian Zhou

Limit theory for an AR(1) model with intercept and a possible infinite variance pp. 615-630

Qing Liu, Chiyu Xia and Xiaohui Liu

On nonhomogeneous biharmonic problem involving Rellich-type potentials and a critical Sobolev exponent pp. 631-644

Sofiane Messirdi, Abdelaziz Bennour and Atika Matallah

Identities related to a pair of generalized skew derivations on Lie ideals pp. 645-658

Vincenzo Filippis, Junaid Nisar and Nadeem ur Rehman

On the behaviour of analytic representation of the multivalent $$\alpha $$ α -convex functions pp. 659-675

Vali Soltani Masih, Jahangir Cheshmavar and Saeideh Maghsoudi

Feebly Baer N-groups and Nearrings pp. 676-685

Ram Parkash Sharma and Shalini Chandel

k-rotundity of Orlicz-Lorentz sequence spaces pp. 686-699

Zichen Wang and Wanzhong Gong

Autocenral series and n-autoisoclinism of groups pp. 700-704

Zohreh Sepehrizadeh and Mohammad Reza Rismanchian

Annular regions containing all the zeros of a polynomial pp. 705-710

Suhail Gulzar, N. A. Rather and K. A. Thakur

Stabilization and blow-up for a class of weakly damped Kirchhoff plate equation with logarithmic nonlinearity pp. 711-727

Qingqing Peng and Zhifei Zhang

On $$\varepsilon $$ ε -phase-isometries between the positive cones of continuous function spaces pp. 728-736

Wenting Wang and Aimin An

Finiteness properties of Ind-Sheaves with Ring Actions pp. 737-750

Yohei Ito

Inverse Coefficient Problem for Fractional Wave Equation with the Generalized Riemann–Liouville Time Derivative pp. 751-767

Durdimurod Durdiev and Halim Turdiev

The uniqueness of some singular Kirchhoff equations with non-homogeneous material pp. 768-777

Baoqiang Yan, Donal O’Regan and Ravi P. Agarwal

On $${\varvec{q}}$$ q -congruences related to $${\varvec{H}}_{\varvec{n}}\left( {\varvec{x;q}}\right) $$ H n x ; q and $${\varvec{M}}_{{\varvec{n}}}\left( {\varvec{x;q}}\right) $$ M n x ; q pp. 778-790

Sibel Koparal, Neşe Ömür and Laid Elkhiri

Inequalities involving energy and Laplacian energy of non-commuting graphs of finite groups pp. 791-812

Walaa Nabil Taha Fasfous and Rajat Kanti Nath

Existence and blow-up results for a weak-viscoelastic plate equation involving $$p(x)-$$ p ( x ) - Laplacian operator and variable-exponent nonlinearities pp. 813-829

Mohammad Shahrouzi and Faramarz Tahamtani

Numerical radius and spectral radius inequalities with an estimation for roots of a polynomial pp. 830-840

Pintu Bhunia

The number of representations of arithmetic progressions by integral quadratic forms pp. 841-847

Seoyeong Han and Kyoungmin Kim

On hyponormality on the Bergman space of an annulus pp. 848-858

Houcine Sadraoui and Borhen Halouani

On two generalized Ramanujan–Nagell equations pp. 859-872

Yasutsugu Fujita, Maohua Le and Nobuhiro Terai

Padovan numbers as difference of two repdigits pp. 873-881

Merve Güney Duman

Volume 56, issue 1, 2025

Existence of optimal pairs and solvability of non-autonomous fractional Sobolev-type integrodifferential equations pp. 1-12

Madhukant Sharma

Some results on Ramanujan’s continued fractions of order ten and applications pp. 13-37

Shraddha Rajkhowa and Nipen Saikia

Distance spectrum of the Hadamard product of a cubic graph pp. 38-45

Alireza Doostabadi and Maysam Yaghoobian

Nonlinear degenerate p(x)-Laplacian equation with singular gradient and lower order term pp. 46-66

Hichem Khelifi and Mohamed Amine Zouatini

On the solution of nonlinear nonlocal Volterra–Fredholm type hybrid fractional differential equation pp. 67-78

Darshana Devi and Jayanta Borah

A mixed finite element approach for a factional viscoelastic wave propagation in-time-domain pp. 79-98

M. Ait Ichou and A. Ezziani

Evaluation of the convolution sum $$\displaystyle \varvec{\sum _{al+bm=n} \sigma (l)\sigma _ 3 (m) }$$ ∑ a l + b m = n σ ( l ) σ 3 ( m ) for $$\varvec{(a,b) = (1,7), (7,1), (1,8), (8,1), (1,9), (9,1)}$$ ( a, b ) = ( 1, 7 ), ( 7, 1 ), ( 1, 8 ), ( 8, 1 ), ( 1, 9 ), ( 9, 1 ) and representations by certain quadratic forms in twelve variables pp. 99-112

Şaban Alaca and Yavuz Kesicioğlu

On further modular relations for the Rogers–Ramanujan functions pp. 113-124

Channabasavayya, Gedela Kavya Keerthana and Ranganatha Dasappa

Generalized Eulerian distributions from the wreath product $$\pmb {{\mathcal {C}}}_{\varvec{r}} \pmb {\wr } {\varvec{S}}_{\varvec{n}}$$ C r ≀ S n pp. 125-139

Bingran Cui, Lily Li Liu and Haiyan Yuan

The Turán number of book graphs pp. 140-149

Jingru Yan and Xingzhi Zhan

A note on central automorphisms that fix the center elementwise pp. 150-155

Mehdi Shabani-Attar

On the extendibility of certain $$D(-1)$$ D ( - 1 ) -pairs in imaginary quadratic rings pp. 156-162

Yasutsugu Fujita and Ivan Soldo

On the sum of the reciprocals of $$\pmb {k}$$ k -generalized Pell numbers pp. 163-174

Benedict Vasco Normenyo

A note on the Turn $${\check{s}}$$ s ˇ ek theorem pp. 175-179

Longfa Sun, Yinghua Sun, Yan Guo and Cuiling Wang

An attack on a key exchange protocol based on max-times and min-times algebras pp. 180-190

Ivan Buchinskiy, Matvei Kotov and Alexander Treier

On change point detection in regression function using nonparametric autoregressive processes pp. 191-209

Ben Célestin Kouassi, Ouagnina Hili and Edoh Katchekpele

On phase-isometries between the positive cones of $${\varvec{c}}_{\textbf{0}}$$ c 0 pp. 210-217

Longfa Sun, Yinghua Sun and Duanxu Dai

Predictive estimation for mean under median ranked set sampling: an application to COVID-19 data pp. 218-229

Sweta Shukla, Abhishek Singh and Gajendra K. Vishwakarma

Numerical solution of coupled Lane–Emden–Fowler type equation by embedded quasilinearization method with homotopy analysis method pp. 230-240

Vikash Kumar Sinha and Prashanth Maroju

Modified version of a simplified Landweber iterative method for nonlinear ill-posed operator equations pp. 241-261

Pallavi Mahale and Ankush Kumar

A monotonicity property of Riemann’s $${\varvec{\xi }}$$ ξ function along certain curves pp. 262-265

Gajendra Singh

Murasugi sum of $${\varvec{k}}$$ k –open books pp. 266-272

Abhijeet Ghanwat, Suhas Pandit and Selvakumar A.

Well posedness for a heat equation with a nonlinear memory term pp. 273-284

Giulio Schimperna and Ava Shafeeq Rafeeq

Some homological properties of edge rings of diamond snake graphs pp. 285-294

Pavinder Singh, Richa Vats and Rohit Verma

On triangle-free graphs with rank 7 pp. 295-304

Fang Duan

A generalization of the hyperbolic Pascal pyramid pp. 305-315

Hacène Belbachir, Fella Rami, László Németh and László Szalay

Envelopes and covers by modules of finite pure-injective and pure-projective dimensions pp. 316-323

Yuedi Zeng

Congruences modulo powers of 3 for k-colored partitions pp. 324-338

Xin-Qi Wen

On $${\pmb k}$$ k -Fibonacci numbers expressible as product of two Balancing or Lucas-Balancing numbers pp. 339-356

Salah Eddine Rihane

Evaluation of some sums involving powers of harmonic numbers pp. 357-366

Ce Xu, Xixi Zhang and Jianqiang Zhao

Commutativity of semi-derivative prime rings pp. 367-374

Evrim Güven

On calculations of the Fourier coefficients of cusp forms of half-integral weight given by the Shintani lift pp. 375-389

Hisashi Kojima and Hiroshi Sakata

Convergence speed of the Brun algorithm over formal power series field pp. 390-403

Amara Chandoul

Anticenter of Profiles in Products of Graphs pp. 404-413

Manoj Changat, Prasanth G. Narasimha-Shenoi, Mary Shalet Thottungal Joseph, Archana Sivadas and Prakash G. Narasimha-Shenoi

Some properties of degenerate Sheffer sequences based on algebraic approach pp. 414-431

Mumtaz Riyasat, Mehnaz Haneef and Subuhi Khan