ALGEBRAS, GROUPS, AND GEOMETRIES | VOLUME 37 - ISSUE 1 | MARCH 2021

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ALGEBRAS, GROUPS, AND GEOMETRIES
VOLUME 37, NUMBER 1, MARCH 2021

MAPPINGS PRESERVING SUM OF PRODUCTS ab-boa* ON FACTOR VON NEUMANN ALGEBRAS, 1
João Carlos da Motta Ferreira and Maria das Graças Bruno Marietto
Federal University of ABC
Santa Adélia Street, 166,
09210-170, Santo André, Brazil

SOME RESULTS ON WIENER INDEX, HYPER-WIENER INDEX AND ZAGREB INDEX, 15
B. Haghighi
Department of Chemistry, University of Neyshabur
Neyshabur, Razavi Khorasan Province, Iran
Department of Mathematics, University of Birjand
Birjand, Iran

STUDY OF A TYPE OF GENERALIZED BASIC HYPERGEOMETRIC SERIES, 27
Leda Galué
Centro de Investigación de Matemática Aplicada (CIMA)s
Facultad de Ingeniería
Universidad del Zulia, Maracaíbo, Venezuela

THE CAUSAL SPIRALS ON THE SPHERES OF LORENTZ-MINKOWSKI 3-SPACE R31, 81
M. Aydinalp
Manisa Celal Bayar University, Faculty of Arts and Sciencese
Department of Mathematics, 45140, Manisa, Turkey
H.H. Ugurlu
Gazi University, Faculty of Education
Department of Secondary Education Science and Mathematics Teaching
Mathematics Teaching Program, 06560, Ankara, Turkey