Asupra sumelor de puteri asemenea (open access)

Asupra sumelor de puteri asemenea

Article addressing, from a historical perspective, Newton's sums of like powers of natural numbers.
Date: February 2005
Creator: Anghel, Nicolae
System: The UNT Digital Library
Asupra structurii grupurilor abeliene finite (open access)

Asupra structurii grupurilor abeliene finite

Article presenting a direct elementary proof to a classical result regarding the structure of finite abelian groups as products of descending cyclic groups.
Date: 2007
Creator: Anghel, Nicolae
System: The UNT Digital Library
Asupra unei probleme de loc geometric a lui A. Dafina (open access)

Asupra unei probleme de loc geometric a lui A. Dafina

Article generalizing a certain geometric locus problem due to A. Dafina.
Date: 2003
Creator: Anghel, Nicolae
System: The UNT Digital Library
Sume calculabile prin serii de puteri (open access)

Sume calculabile prin serii de puteri

This article investigates an efficient way of evaluating sums and series, based on a result of Abel applied to associated power series.
Date: 2004
Creator: Anghel, Nicolae
System: The UNT Digital Library