A new method with improved phase-lag and stability properties for problems in quantum chemistry - an economical case Xingyuan LiChia-Liang LinT. E. Simos Original Paper 18 April 2021 Pages: 1571 - 1602
On graphs preserving PI index upon edge removal Gopalapillai IndulalLiju AlexIvan Gutman Original Paper 03 May 2021 Pages: 1603 - 1609
Uniform Haar wavelet technique with Newton’s method for a kind of derivative dependent SBVPs SwatiMandeep SinghKaranjeet Singh Original Paper 16 May 2021 Pages: 1610 - 1637
Eigensolution of the Klein–Gordon equation for modified Yukawa–Kratzer potential and its applications using parametric Nikiforov–Uvarov and SUSYQM method Rajendrasinh H. ParmarP. C. Vinodkumar Original Paper 22 May 2021 Pages: 1638 - 1703
An economical two-step method with improved phase and stability properties for problems in chemistry Marina A. MedvedevaT. E. Simos Original Paper 27 May 2021 Pages: 1704 - 1737
A new improved economical finite difference method for problems in quantum chemistry Zheng MingliangT. E. Simos Original Paper 27 May 2021 Pages: 1738 - 1766
Complete forcing numbers of hexagonal systems Xin HeHeping Zhang Original Paper 02 June 2021 Pages: 1767 - 1784
Extreme properties of the initial rate of the four-stage reaction of enzyme catalyzed ATP hydrolysis P. F. ZhukS. O. Karakhim Original Paper 02 June 2021 Pages: 1785 - 1807
General nucleation-growth type kinetic models of nanoparticle formation: possibilities of finding analytical solutions Rebeka SzabóGábor Lente Original Paper Open access 26 June 2021 Pages: 1808 - 1821
q-Rényi’s entropy as a possible measure of electron correlation N. Flores-Gallegos Original Paper 28 June 2021 Pages: 1822 - 1835