Search Results

Sume calculabile prin serii de puteri

Description: 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
Item Type: Article
Partner: UNT College of Arts and Sciences

Asupra sumelor de puteri asemenea

Description: Article addressing, from a historical perspective, Newton's sums of like powers of natural numbers.
Date: February 2005
Creator: Anghel, Nicolae
Item Type: Article
Partner: UNT College of Arts and Sciences

Generalizarea problemei 0:59

Description: This note extends a certain combinatorics problem of I. Tomescu.
Date: 1980
Creator: Anghel, Nicolae
Item Type: Article
Partner: UNT College of Arts and Sciences

Projecting on Polynomial Dirac Spinors

Description: In this paper, the authors adapt Axler and Ramey's method of constructing the harmonic part of a homogeneous polynomial to the Fischer decomposition associated to Dirac operators acting on polynomial spinors.
Date: June 2006
Creator: Anghel, Nicolae
Item Type: Paper
Partner: UNT College of Arts and Sciences

Varietăţi Grassmanniene Mixte

Description: 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
Item Type: Article
Partner: UNT College of Arts and Sciences

The Levi problem on mixed manifolds

Description: Article discussing the Levi problem on mixed manifolds. This article gives a new proof that the problem of Levi, to mixed varieties have a solution in the sense that every pseudoconvex closely mixed variety, with enough real global morphisms, is a variety of Cartan.
Date: 1984
Creator: Anghel, Nicolae
Item Type: Article
Partner: UNT College of Arts and Sciences

Asupra structurii grupurilor abeliene finite

Description: 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
Item Type: Article
Partner: UNT College of Arts and Sciences

Maximum of a function

Description: In this article, the author presents a generalization of a certain Putnam problem.
Date: January 2014
Creator: Anghel, Nicolae
Item Type: Article
Partner: UNT College of Arts and Sciences

On a family of iterated integrals

Description: This article discusses a family of iterated integrals and generalizing an iterated integral identity proposed at a Putnam competition in 1941.
Date: 2013
Creator: Anghel, Nicolae
Item Type: Article
Partner: UNT College of Arts and Sciences

On Morley's miracle theorem

Description: Article on Morley's miracle theorem. The authors use work by A. Connes to explore possible generalizations of Morley's trisector theorem to triangles in arbitrary value fields.
Date: 2004
Creator: Anghel, Nicolae
Item Type: Article
Partner: UNT College of Arts and Sciences

SL₂-polynomial invariance

Description: Article on SL₂-polynomial invariance. The purpose of this article is to describe completely, in a constructive way, the structure of these invariant polynomials in the particular case n = 2, for an arbitrary field k.
Date: 1998
Creator: Anghel, Nicolae
Item Type: Article
Partner: UNT College of Arts and Sciences

Square roots of real 2 x 2 matrices

Description: In this article, the author investigates the real 2 x 2 matrices which admit real square roots.
Date: November 2013
Creator: Anghel, Nicolae
Item Type: Article
Partner: UNT College of Arts and Sciences