An alternative theorem for quadratic forms and extensions

J. P. Crouzeix; J. E. Martínez-Legaz; A. Seeger

doi:10.1016/0024-3795(93)00082-B

An alternative theorem for quadratic forms and extensions

J. P. Crouzeix, J. E. Martínez-Legaz, A. Seeger

Departament d'Economia i d'Història Econòmica

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15 Cites (Scopus)

Resum

This note concerns an alternative theorem for quadratic forms established recently by Y. Yuan. We explore some directions in which Yuan's result can be extended, and we indicate also some important situations where an alternative theorem à la Yuan does not hold. © 1995.

Idioma original	Anglès
Pàgines (de-a)	121-134
Revista	Linear Algebra and Its Applications
Volum	215
DOIs	https://doi.org/10.1016/0024-3795(93)00082-B
Estat de la publicació	Publicada - 15 de gen. 1995

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10.1016/0024-3795(93)00082-B

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https://www.scopus.com/pages/publications/21844495729

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title = "An alternative theorem for quadratic forms and extensions",

abstract = "This note concerns an alternative theorem for quadratic forms established recently by Y. Yuan. We explore some directions in which Yuan's result can be extended, and we indicate also some important situations where an alternative theorem {\`a} la Yuan does not hold. {\textcopyright} 1995.",

author = "Crouzeix, \{J. P.\} and Mart{\'i}nez-Legaz, \{J. E.\} and A. Seeger",

year = "1995",

month = jan,

day = "15",

doi = "10.1016/0024-3795(93)00082-B",

language = "English",

volume = "215",

pages = "121--134",

journal = "Linear Algebra and Its Applications",

issn = "0024-3795",

publisher = "Elsevier Inc.",

}

TY - JOUR

T1 - An alternative theorem for quadratic forms and extensions

AU - Crouzeix, J. P.

AU - Martínez-Legaz, J. E.

AU - Seeger, A.

PY - 1995/1/15

Y1 - 1995/1/15

N2 - This note concerns an alternative theorem for quadratic forms established recently by Y. Yuan. We explore some directions in which Yuan's result can be extended, and we indicate also some important situations where an alternative theorem à la Yuan does not hold. © 1995.

AB - This note concerns an alternative theorem for quadratic forms established recently by Y. Yuan. We explore some directions in which Yuan's result can be extended, and we indicate also some important situations where an alternative theorem à la Yuan does not hold. © 1995.

UR - https://www.scopus.com/pages/publications/21844495729

U2 - 10.1016/0024-3795(93)00082-B

DO - 10.1016/0024-3795(93)00082-B

M3 - Article

SN - 0024-3795

VL - 215

SP - 121

EP - 134

JO - Linear Algebra and Its Applications

JF - Linear Algebra and Its Applications

ER -

An alternative theorem for quadratic forms and extensions

Resum

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