Volume 4, Number 1, 2020

Special Issue on IWAAO2019, TAICHUNG, TAIWAN

Preface: Christian Günther, Niklas Hebestreit and Christiane Tammer

A. B. Abubakar, A. H. Ibrahim, A. B. Muhammad and C. Tammer
A modified descent Dai-Yuan conjugate gradient method for constraint nonlinear monotone operator equations

D.-C. Chang, S. Khalil and B.-W. Schulze
Singular boundary value problems

Kenro Furutani
Residue of the spectral zeta function of a sub-Laplacian on a certain class of nilmanifolds

Liguo Jiao and Do Sang Kim
Weakly quasi ε-efficiency for semi-infinite multi-objective optimization problems with locally Lipschitzian data

Marcel Marohn and Christiane Tammer
Characterization of efficient points of acceptance sets

H. M. Srivastava, A. Motamednezhad and S. Salehian
The Faber polynomial expansion method for estimating the Taylor-Maclaurin and the Fekete-Szegö type coefficient inequalities for a certain general class of analytic and bi-univalent functions defined by using the Horadam polynomials

  Cemil Tunç
On the asymptotic analysis of boundedness of solutions of DDEs of second order

Wei Wang
Quaternionic analysis over the Heisenberg group


Yokohama Publishers

yokohama publishers