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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
Generalizarea problemei 0:59
This note extends a certain combinatorics problem of I. Tomescu.
Date:
1980
Creator:
Anghel, Nicolae
System:
The UNT Digital Library
O generalizare a problemei piesei de 5 lei a lui Ţiţeica
The '5 lei coin' problem of Titeica is generalized to circles of arbitrary radii.
Date:
2012
Creator:
Anghel, Nicolae
System:
The UNT Digital Library
Legătura dintre sumele Stieltjes şi sumele simetrice elementare
Article discussing studies of the relationship between the Stieltjes sums and the elementary symmetric sums.
Date:
February 2012
Creator:
Anghel, Nicolae
System:
The UNT Digital Library
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
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
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
O demonstratie directă a faptului că L1 (X, B, μ) verifică principiul tare al maximului modulului
Article proposing a new direct proof of the fact that L^1 verifies the strong maximum principle, i.e., any analytic map from the complex unit disk into L^1, constant in norm, must be constant.
Date:
1989
Creator:
Anghel, Nicolae
System:
The UNT Digital Library
Varietăţi Grassmanniene Mixte
This article discusses mixed Grassmann manifolds. Abstract: Se construieşte varietea grassmanniană modelată intr-un spaţiu Banach mixt, situaţie ce generalizează simultan conceptele grassmanniene real şi complex.
Date:
1982
Creator:
Anghel, Nicolae
System:
The UNT Digital Library