Results 41 to 50 of about 626,146 (282)

Interesting Explicit Expressions of Determinants and Inverse Matrices for Foeplitz and Loeplitz Matrices

Mathematics, 2019
Foeplitz and Loeplitz matrices are Toeplitz matrices with entries being Fibonacci and Lucas numbers, respectively. In this paper, explicit expressions of determinants and inverse matrices of Foeplitz and Loeplitz matrices are studied.
Zhaolin Jiang, Weiping Wang, Yanpeng Zheng, Baishuai Zuo, Bei Niu   +4 more
doaj   +1 more source

Trajectories of Physical Function in Canadian Children with Juvenile Idiopathic Arthritis

Arthritis Care &Research, Accepted Article.
Objectives We describe trajectories of physical function in children newly diagnosed with juvenile idiopathic arthritis (JIA) and identify trajectories with persisting functional impairments and associated baseline characteristics. Methods We included patients enrolled in the Canadian Alliance of Pediatric Rheumatology Investigators (CAPRI) Registry ...
Clare Cunningham, Meghan McPherson, Lillian Lim, Roberta A. Berard, Matthew Berkowitz, Jean‐Philippe Proulx‐Gauthier, Brian M. Feldman, Nicole Johnson, Dax G. Rumsey, Heinrike Schmeling, Lori B. Tucker, Thomas Loughin, Kristin M. Houghton, Jaime Guzman, The CAPRI Registry Investigators   +14 more
wiley   +1 more source

Analytic determinants and inverses of Toeplitz and Hankel tridiagonal matrices with perturbed columns

Special Matrices, 2020
In this paper, our main attention is paid to calculate the determinants and inverses of two types Toeplitz and Hankel tridiagonal matrices with perturbed columns.
Fu Yaru, Jiang Xiaoyu, Jiang Zhaolin, Jhang Seongtae   +3 more
doaj   +1 more source

Mersenne Numbers: consolidated results [PDF]

, 1986
This document provides and comments on the results of the Lucas-Lehmer testing and/or partial factorisation of all Mersenne Numbers Mp = 2^p-1 where p is prime and less than 100,000. Previous computations have either been confirmed or corrected.
Haworth, Guy McCrossan, Holmes, Steve, Hunt, David, Lake, Tom, Reddaway, Stewart   +4 more
core  

MIN MATRICES WITH HYPER LUCAS NUMBERS

Journal of Science and Arts, 2020
In this paper, we examine Min matrix L[Lk+min(i,j)-1]i,j=1 where Ln(r) denotes the nth hyper-Lucas number of order r. We mainly focus on characteristic polynomial of L. Also, we compute determinants, inverses of L and its Hadamard inverse. Moreover, we give a numerical example to illustrate our results.
Özgül, Derya, Bahşi, Mustafa
openaire   +2 more sources

Characteristics and outcomes of male participants in the Australian Scleroderma Cohort Study (ASCS).

Arthritis Care &Research, Accepted Article.
Objective To determine the differences in demographic, serologic and clinical characteristics between male and female patients with systemic sclerosis (SSc) in an Australian cohort. Methods Retrospective observational study using data from the Australian Scleroderma Cohort Study (ASCS). Males (M) were compared to females (F) using chi‐squared, Wilcoxon
Emily Lin, Dylan Hansen, Laura Ross, Gene‐Siew Ngian, Susanna Proudman, Gabor Major, Maryam Tabesh, Mandana Nikpour, Jennifer Walker, Lauren Host, Nava Ferdowsi, Alannah Quinlivan, Wendy Stevens, Joanne Sahhar, Diane Apostolopoulos   +14 more
wiley   +1 more source

Hybrid convolutions on Pell and Lucas polynomials [PDF]

Discrete Mathematics Letters, 2021
Dongwei Guo, Wenchang Chu
doaj   +1 more source

Discordance between patient and physician global assessments in early systemic sclerosis

Arthritis Care &Research, Accepted Article.
Objective This study aims to identify factors associated with patient and physician global assessments and discordance between them in systemic sclerosis (SSc). Methods Data from adults with early SSc (< 5 years) from the CONQUER registry were included.
Ellen Romich, Alexis Ogdie, Alisa Stephens‐Shields, Peter A. Merkel, Shervin Assassi, Elana J. Bernstein, Andreea Bujor, Flavia V. Castelino, Lorinda Chung, Luke B. Evnin, Tracy M. Frech, Jessica K. Gordon, Melissa Griffith, Faye N. Hant, Monica L. Harding, Laura K. Hummers, Dinesh Khanna, Kimberly S. Lakin, Dorota J. Lebiedz‐Odrobina, Yiming Luo, Ashima Makol, Maureen D. Mayes, Zsuzsanna H. McMahan, Jerry Molitor, Duncan F. Moore, Julie Paik, Carrie Richardson, Brian Skaug, Ami A. Shah, Ankoor Shah, Virginia Steen, John M. VanBuren, Elizabeth R. Volkmann, Carleigh Zahn, Nora Sandorfi, for the CONQUER Investigators   +35 more
wiley   +1 more source

Interaction between Molten Al‐Killed Mn–B Steel and Carbon‐Bonded MgO Refractories Based on Recyclates

Advanced Engineering Materials, EarlyView.
High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé, Lukas Neubert, Anton Yehorov, Till M. J. Stadtmüller, Christos G. Aneziris, Olena Volkova   +5 more
wiley   +1 more source

Horadam–Lucas Cubes

Axioms
In this paper, we introduce a novel class of graphs referred to as the Horadam–Lucas cubes. This class extends the concept of Lucas cubes and retains numerous desirable properties associated with them.
Elif Tan, Luka Podrug, Vesna Iršič Chenoweth   +2 more
doaj   +1 more source