activity
20142025
most citedCore and Core-EP Inverses of Tensors

48 citations · 183 across the 27 of their papers we have counts for

collaborators

28 papers

math.NA2025★ 2 cited

Dual Core-EP Generalized Inverse and Decomposition

Bibekananda Sitha, Jajati Keshari Sahoo, Nestor Thome

In this work, we introduce a new type of generalized inverse called dual core-EP generalized inverse (in short DCEPGI) for dual square matrices. We analyze the existence and unique…

math.NA2025

Two-step parameterized tensor-based iterative methods for solving

Ratikanta Behera, Saroja Kumar Panda, Jajati Keshari Sahoo

Iterative methods based on tensors have emerged as powerful tools for solving tensor equations, and have significantly advanced across multiple disciplines. In this study, we propo…

cs.CV2025

Atmospheric Noise-Resilient Image Classification in a Real-World Scenario: Using Hybrid CNN and Pin-GTSVM

Shlok Mehendale, Jajati Keshari Sahoo, Rajendra Kumar Roul

Parking space occupation detection using deep learning frameworks has seen significant advancements over the past few years. While these approaches effectively detect partial obstr…

math.NA2024

Computation of -QDR decomposition of tensors and applications

Krushnachandra Panigrahy, Biswarup Karmakar, Jajati Keshari Sahoo +2

The theory and computation of tensors with different tensor products play increasingly important roles in scientific computing and machine learning. Different products aim to prese…

math.NA2024

-QR decomposition and hyperpower iterative methods for computing outer inverses of tensors

Ratikanta Behera, Krushnachandra Panigrahy, Jajati Keshari Sahoo +1

The outer inverse of tensors plays increasingly significant roles in computational mathematics, numerical analysis, and other generalized inverses of tensors. In this paper, we com…

math.NA2024

Computation of tensors generalized inverses under -product and applications

Jajati Keshari Sahoo, Saroja Kumar Panda, Ratikanta Behera +1

This paper introduces notions of the Drazin and the core-EP inverses on tensors via M-product. We propose a few properties of the Drazin and core-EP inverses of tensors, as well as…

math.NA2024★ 1 cited

G-Drazin inverse combined with inner inverse

G. Maharanaa, J. K. Sahooa, Nestor Thome

This paper introduces new classes of generalized inverses for square matrices named GD1, and the dual, called 1GD inverse. In addition, we discuss a few characterizations and repre…

math.NA2023

Characterizations of Weighted Generalized Inverses

Bibekananda Sitha, Ratikanta Behera, Jajati Keshari Sahoo +2

The main objective of this paper is to introduce unique representations and characterizations for the weighted core inverse of matrices. We also investigate various properties of t…

math.NA2023

Computing Tensor Generalized bilateral inverses

Ratikanta Behera, Jajati Keshari Sahoo, Predrag S. Stanimirovic +2

We introduce tensor generalized bilateral inverses (TGBIs) under the Einstein tensor product as an extension of generalized bilateral inverses (GBIs) in the matrix environment. Mor…

math.NA2023

Computation of outer inverse of tensors based on -product

Ratikanta Behera, Jajati Keshari Sahoo, Yimin Wei

Tensor operations play an essential role in various fields of science and engineering, including multiway data analysis. In this study, we establish a few basic properties of the r…

math.FA2022

GD1 inverse and 1GD inverse for Hilbert space operators

Jajati Keshari Sahoo, Prdeep Boggarapu, Ratikanta Behera +1

Mosic and Djordjevic introduced the notation of the gDMP inverse for Hilbert space operators in [J. Spectr. Theory, 8(2):555-573, 2018] by considering generalized Drazin inverse wi…

cs.CV2022★ 3 cited

Smart Parking Space Detection under Hazy conditions using Convolutional Neural Networks: A Novel Approach

Gaurav Satyanath, Jajati Keshari Sahoo, Rajendra Kumar Roul

Limited urban parking space combined with urbanization has necessitated the development of smart parking systems that can communicate the availability of parking slots to the end u…

math.RA2020

Characterizations of weighted (b,c) inverse

Bibekananda Sitha, Jajati Keshari Sahoo, Ratikanta Behera

The notion of weighted -inverse of an element in rings were introduced, very recently [Comm. Algebra, 48 (4) (2020): 1423-1438]. In this paper, we further elaborate on this…

math.RA2020★ 2 cited

Computation of Generalized Inverses of Tensors via -Product

Ratikanta Behera, Jajati Keshari Sahoo, R. N. Mohapatra +1

Generalized inverses of tensors play increasingly important roles in computational mathematics and numerical analysis. It is appropriate to develop the theory of generalized invers…

math.RA2020

Further results on weighted core inverse in a ring

Sourav Das, Jajati Keshari Sahoo, Ratikanta Behera

The notion of the weighted core inverse in a ring with involution was introduced, recently [Mosic et al. Comm. Algebra, 2018; 46(6); 2332-2345]. In this paper, we explore new repre…

math.RA2020

Generalized Core Inverse in a proper -ring

Jajati Keshari Sahoo, Ratikanta Behera, Sourav Das +2

In this paper, we introduce the notion of weak core and central weak core inverse in a {\it proper -ring}. We further elaborate on these two classes by producing a few represent…

math.NA2020★ 35 cited

Further results on weighted core-EP inverse of matrices

Ratikanta Behera, Gayatri Maharana, Jajati Keshari Sahoo

In this paper, we introduce the notation of -weighted core-EP and -weighted dual core-EP inverse of matrices. We then obtain a few explicit expressions for the weighted core-…

math.NA2020

Regularized Iterative Method for Ill-posed Linear Systems Based on Matrix Splitting

Ashish Kumar Nandi, Jajati Keshari Sahoo

In this paper, the concept of matrix splitting is introduced to solve a large sparse ill-posed linear system via Tikhonov's regularization. In the regularization process, we conver…

cs.LG2020★ 2 cited

Forecasting directional movements of stock prices for intraday trading using LSTM and random forests

Pushpendu Ghosh, Ariel Neufeld, Jajati Keshari Sahoo

We employ both random forests and LSTM networks (more precisely CuDNNLSTM) as training methodologies to analyze their effectiveness in forecasting out-of-sample directional movemen…

math.NA2020

Characterization and Representation of Weighted Core Inverse of Matrices

Ratikanta Behera, Jajati Keshari Sahoo, Ram N. Mohapatra

In this paper, we introduce new representation and characterization of the weighted core inverse of matrices. Several properties of these inverses and their interconnections with o…

math.NA2019

Reverse-order law for core inverse of tensors

Jajati Kesahri Sahoo, Ratikanta Behera

The notion of the core inverse of tensors with the Einstein product was introduced, very recently. This paper we establish some sufficient and necessary conditions for reverse-orde…

math.NA2019★ 48 cited

Core and Core-EP Inverses of Tensors

Jajati Kesahri Sahoo, Ratikanta Behera, Predrag S. Stanimirovic +2

Specific definitions of the core and core-EP inverses of complex tensors are introduced. Some characterizations, representations and properties of the core and core-EP inverses are…

cs.LG2019★ 6 cited

Convolutional Feature Extraction and Neural Arithmetic Logic Units for Stock Prediction

Shangeth Rajaa, Jajati Keshari Sahoo

Stock prediction is a topic undergoing intense study for many years. Finance experts and mathematicians have been working on a way to predict the future stock price so as to decide…

math.NA2019★ 31 cited

Further results on the Drazin inverse of even-order tensors

Ratikanta Behera, Ashish Kumar Nandi, Jajati Keshari Sahoo

The notion of the Drazin inverse of an even-order tensor with the Einstein product was introduced, very recently [J. Ji and Y. Wei. Comput. Math. Appl., 75(9), (2018), pp. 3402-341…