Article ID 0066 Published: 18 November 2020 Article

Connecting specific maps having two equal-sized faces and its genus

S MEHWISH Q MUSHTAQ

Article ID 0065 Published: 13 November 2020 Article

Ovoidal fibrations in $PG(3, q)$, $q$ even

N S NARASIMHA SASTRY R P SHUKLA

Article ID 0064 Published: 13 November 2020 Article

On the automorphism group of doubled Grassmann graphs

MEYSAM ZIAEE

Article ID 0063 Published: 20 October 2020 Article

Proof of a supercongruence conjectured by Sun through a q-microscope

Victor J W Guo

Article ID 0062 Published: 7 October 2020 Article

Approximate controllability for finite delay nonlocal neutral integro-differential equations using resolvent operator theory

KAMAL JEET

Article ID 0061 Published: 7 October 2020 Article

On Euler–Ramanujan formula, Dirichlet series and minimal surfaces

RUKMINI DEY RISHABH SARMA RAHUL KUMAR SINGH

Article ID 0060 Published: 30 September 2020 Article

Laplace transform inversion using Bernstein operational matrix of integration and its application to differential and integral equations

VINOD MISHRA DIMPLE RANI

Article ID 0059 Published: 25 September 2020 Article

Supercongruences for sums involving fourth power of some rising factorials

ARIJIT JANA GAUTAM KALITA

Article ID 0058 Published: 23 September 2020 Article

The $x$-coordinates of Pell equations and sums of two Fibonacci numbers II

MAHADI DDAMULIRA FLORIAN LUCA

Article ID 0057 Published: 19 September 2020 Article

On the automorphism groups of connected bipartite irreducible graphs

S MORTEZA MIRAFZAL

Article ID 0056 Published: 19 September 2020 Article

On ramification index of composition of complete discrete valuation fields

PASUPULATI SUNIL KUMAR

Article ID 0055 Published: 16 September 2020 Article

On Ricci solitons whose potential is convex

CHANDAN KUMAR MONDAL ABSOS ALI SHAIKH

Article ID 0054 Published: 11 September 2020 Article

The exact 2-domination number of generalized Petersen graphs

XUE-GANG CHEN XUE-SONG ZHAO

Article ID 0053 Published: 8 September 2020 Article

Lifting to two-term relative maximal rigid subcategories in triangulated categories

PANYUE ZHOU

Article ID 0052 Published: 18 August 2020 Article

Contact and isocontact embedding of $\pi$-manifolds

Kuldeep Saha

Article ID 0051 Published: 13 August 2020 Article

A note on bounds of the $p$-length of a $p$-soluble group

HUILONG GU JIAO LI HUAQUAN WEI LIYING YANG

Article ID 0050 Published: 12 August 2020 Article

Enumeration of planar Tangles

DOUGLAS A TORRANCE

Article ID 0049 Published: 12 August 2020 Article

Coloring of cozero-divisor graphs of commutative von Neumann regular rings

M BAKHTYIARI R NIKANDISH M J NIKMEHR

Article ID 0048 Published: 6 August 2020 Article

On Betti numbers in the linear strand and regularity of triangular graphs

SHAHNAWAZ AHMAD RATHER PAVINDER SINGH ROHIT VERMA

Article ID 0047 Published: 25 July 2020 Article Special Issue in Honour of Professor C R Rao on His Birth Centenary

Completely mixed bimatrix games

T Parthasarathty Vasudha Sharma A R Sricharan

Article ID 0046 Published: 25 July 2020 Article Special Issue in Honour of Professor C R Rao on His Birth Centenary

C R Rao and Mahalanobis’ distance

Probal Chaudhuri

Article ID 0045 Published: 25 July 2020 Article Special Issue in Honour of Professor C R Rao on His Birth Centenary

Dr C R Rao’s contributions to the advancement of economic science

T Krishna Kumar H D Vinod Suresh Deman

Article ID 0044 Published: 25 July 2020 Article Special Issue in Honour of Professor C R Rao on His Birth Centenary

A matter of direction

S Rao Jammalamadaka

Article ID 0043 Published: 25 July 2020 Article Special Issue in Honour of Professor C R Rao on His Birth Centenary

Professor C R Rao’s contributions in statistical signal processing and its long-term implications

Debasis Kundu

Article ID 0042 Published: 25 July 2020 Article Special Issue in Honour of Professor C R Rao on His Birth Centenary

On foundation of statistical inference by C R Rao relating to information inequality

Dipak Dey Gyuhyeong Goh

Article ID 0041 Published: 24 July 2020 Article Special Issue in Honour of Professor C R Rao on His Birth Centenary

Cramér–Rao inequality revisited

B L S Prakasa Rao

Article ID 0040 Published: 24 July 2020 Article Special Issue in Honour of Professor C R Rao on His Birth Centenary

C R Rao: A living legend

Partha P Majumder

Article ID 0039 Published: 20 July 2020 A message from C. R. Rao Special Issue in Honour of Professor C R Rao on His Birth Centenary

A message from C. R. Rao

Article ID 0038 Published: 20 July 2020 Preface Special Issue in Honour of Professor C R Rao on His Birth Centenary

Preface

Article ID 0037 Published: 20 June 2020 Research Article

Onthe factorization of two adjacent numbers in multiplicatively closed sets generated by two elements

C P ANIL KUMAR

Article ID 0036 Published: 15 June 2020 Research Article

A limit set intersection theorem for graphs of relatively hyperbolic groups

SWATHI KRISHNA

Article ID 0035 Published: 15 June 2020 Research Article

A submultiplicative property of the Carathéodory metric on planar domains

AMAR DEEP SARKAR KAUSHAL VERMA

Article ID 0034 Published: 11 June 2020 RESEARCH ARTICLE

Picard bundle on the moduli space of torsionfree sheaves

USHA N BHOSLE

Article ID 0033 Published: 7 May 2020 Research Article

Blow up property for viscoelastic evolution equations on manifolds with conical degeneration

MOHSEN ALIMOHAMMADY MORTEZA KOOZEHGAR KALLEJI

Article ID 0032 Published: 7 May 2020 Research Article

New criteria for Vandiver’s conjecture using Gauss sums – Heuristics and numerical experiments

GEORGES GRAS

Article ID 0031 Published: 1 May 2020 Research Article

Computing $n$-th roots in $\rm{SL_{2}}$ and Fibonacci polynomials

AMIT KULSHRESTHA ANUPAM SINGH

Article ID 0030 Published: 22 April 2020 Research Article

Correction to: Sparse subsets of the natural numbers and Euler’s totient function

MITHUN KUMAR DAS PRAMOD EYYUNNI BHUWANESH RAO PATIL

Article ID 0029 Published: 15 March 2020 Research Article

Berger’s formulas and their applications in symplectic mean curvature flow

SHIJIN ZHANG

Article ID 0028 Published: 15 March 2020 Research Article

Repdigits as products of two Fibonacci or Lucas numbers

FATIH ERDUVAN REFIK KESKIN

Article ID 0027 Published: 12 March 2020 Research Article

On the number of distinct exponents in the prime factorization of an integer

CARLO SANNA

Article ID 0026 Published: 12 March 2020 Research Article

A set of generators for the Picardmodular group $SU(2,1,O_{2})$

MAHBOUBEH GHOSHOUNI MAJID HEYDARPOUR

Article ID 0025 Published: 12 March 2020 Research Article

Repdigits in Euler functions of associated pell numbers

G K PANDA M K SAHUKAR

Article ID 0024 Published: 12 March 2020 Research Article

Exponential sums of squares of Fourier coefficients of cusp forms

RATNADEEP ACHARYA

Article ID 0023 Published: 28 February 2020 Research Article

A ternary diophantine inequality with prime numbers of a special type

LI ZHU

Article ID 0022 Published: 20 February 2020 Research Article

Palindromic width of graph of groups

KRISHNENDU GONGOPADHYAY SWATHI KRISHNA

Article ID 0021 Published: 13 February 2020 Research Article

Upper bound for the first nonzero eigenvalue related to the $p$-Laplacian

SHEELA VERMA

Article ID 0020 Published: 30 January 2020 Research Article

Gerstenhaber algebra structure on the cohomology of a hom-associative algebra

APURBA DAS

Article ID 0019 Published: 30 January 2020 Research Article

Rigidity of Bott–Samelson–Demazure–Hansen variety for $F_{4}$ and $G_{2}$

S SENTHAMARAI KANNAN PINAKINATH SAHA

Article ID 0018 Published: 30 January 2020 Research Article

The fundamental group and extensions of motives of Jacobians of curves

SUBHAM SARKAR RAMESH SREEKANTAN

Article ID 0017 Published: 30 January 2020 Research Article

Prime intersection graph of ideals of a ring

KUKIL KALPA RAJKHOWA HELEN K SAIKIA

Article ID 0016 Published: 30 January 2020 Research Article

Dimension formula for the space of relative symmetric polynomials of $D_{n}$ with respect to any irreducible representation

S RADHA P VANCHINATHAN

Article ID 0015 Published: 30 January 2020 Research Article

Examples of blown up varieties having projective bundle structures

NABANITA RAY

Article ID 0014 Published: 30 January 2020 Research Article

Mixed coloured permutations

BEÁTA BÉNYI DANIEL YAQUBI

Article ID 0013 Published: 30 January 2020 Research Article

Markov approximation and the generalized entropy ergodic theorem for non-null stationary process

ZHONGZHI WANG WEIGUO YANG

Article ID 0012 Published: 10 January 2020 Research Article

Ring endomorphisms satisfying the central reversible property

ARNAB BHATTACHARJEE UDAY SHANKAR CHAKRABORTY

Article ID 0011 Published: 10 January 2020 Research Article

The group of invertible ideals of a Prüfer ring

BASAK AY SAYLAM

Article ID 0010 Published: 10 January 2020 Research Article

On weighted signed color partitions

V GUPTA M RANA S SHARMA

Article ID 0009 Published: 10 January 2020 Research Article

Rainbow 2-connectivity of edge-comb product of a cycle and a Hamiltonian graph

MARTIN BACA A N M SALMAN RINOVIA SIMANJUNTAK BETY HAYAT SUSANTI

Article ID 0008 Published: 10 January 2020 Research Article

Exceptional set in Waring–Goldbach problem: Two squares, two cubes and two sixth powers

YUHUI LIU

Article ID 0007 Published: 10 January 2020 Research Article

Normalized unit groups and their conjugacy classes

S KAUR M KHAN

Article ID 0006 Published: 10 January 2020 Research Article

A simple method to extract zeros of certain Eisenstein series of small level

ARADHITA CHATTOPADHYAYA

Article ID 0005 Published: 10 January 2020 Research Article

Finite groups with exactly one composite conjugacy class size

QINHUI JIANG CHANGGUO SHAO YAN ZHAO

Article ID 0004 Published: 10 January 2020 Research Article

A note on the weak law of large numbers of Kolmogorov and Feller

FUQIANG MA YU MIAO JIANYONG MU

Article ID 0003 Published: 10 January 2020 Research Article

Class group of the ring of invariants of an exponential map on an affine normal domain

S M BHATWADEKAR J T MAJITHIA

Article ID 0002 Published: 10 January 2020 Research Article

Signs of Fourier coefficients of cusp form at sumof two squares

SOUMYARUP BANERJEE MANISH KUMAR PANDEY

Article ID 0001 Published: 10 January 2020 Research Article

On $\mathcal{D}$-closed submodules

YILMAZ DURGUN SALAHATTIN ÖZDEMIR