Zobrazeno 1 - 10
of 13
pro vyhledávání: '"David Eduardo Ferreyra"'
Publikováno v:
Mathematische Nachrichten. 295:1292-1311
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7917f63da6aef36e2255722366211b6b
https://doi.org/10.1002/mana.201900373
https://doi.org/10.1002/mana.201900373
Publikováno v:
Collectanea Mathematica. 73:505-520
In a 2015 article Cuenya and Ferreyra defined a class of functions in $$L^p$$ -spaces, denoted by $$c_n^p(x)$$ . The class $$c_n^p(x)$$ contains the class of $$L^p$$ -differentiability functions, denoted by $$t_n^p(x)$$ , introduced in a 1961 article
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d9fe47ceff6104aa19bcb5867a86cfd
https://doi.org/10.1007/s13348-021-00331-8
https://doi.org/10.1007/s13348-021-00331-8
Autor:
David Eduardo Ferreyra, Saroj B Malik
Publikováno v:
Linear and Multilinear Algebra. 70:5052-5067
In this paper, we define two new concepts for a pair of complex square matrices of the index at most 1, the core orthogonal pair and strongly core orthogonal pair. The relationship between core ort...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c33eb94a6a3a9a7cad1530ed8308a74
https://doi.org/10.1080/03081087.2021.1902923
https://doi.org/10.1080/03081087.2021.1902923
Publikováno v:
Numerical Functional Analysis and Optimization. 41:1272-1285
In a recent paper of Cuenya and Ferreyra, a condition, namely, the Cp-condition in Lp-spaces was introduced that is weaker than the notion of Lp-derivative given by Calderon-Zygmund. In the present...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d489aec5b53d1221d103881edf5af878
https://doi.org/10.1080/01630563.2020.1738459
https://doi.org/10.1080/01630563.2020.1738459
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
instname
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
[EN] G-Drazin inverses and the G-Drazin partial order for square matrices have been both recently introduced by Wang and Liu. They proved the following implication: If A is below B under the G-Drazin partial order, then any G-Drazin inverse of B is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5431903ddf49975503f98fd7f03eb06e
https://doi.org/10.13001/ela.2020.4965
https://doi.org/10.13001/ela.2020.4965
Publikováno v:
The Electronic Journal of Linear Algebra. 35:503-510
Let A and E be n × n given complex matrices. This paper provides a necessary and sufficient condition for the solvability to the matrix equation system given by AXA = AEA and AkEAX = XAEAk, for k being the index of A. In addition, its general soluti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91fbb7f2e0c0a004bf451e653452f556
https://doi.org/10.13001/1081-3810.4051
https://doi.org/10.13001/1081-3810.4051
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] In this paper, we extend the notion of weak group inverse to rectangular matrices (called WweightedWGinverse) by using the weighted core EP inverse recently investigated. This new generalized inverse also generalizes the well-known weighted grou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aba522d7f58bc1416b51ba81f831312b
https://doi.org/10.1007/s13398-019-00674-9
https://doi.org/10.1007/s13398-019-00674-9
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] In this paper, left and right generalized Drazin invertible operators on Banach spaces are defined and characterized by means of the generalized Kato decomposition. Then, new binary relations associated with these operators are presented and stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be9afac8baa6714b923c811a73acc6e2
https://doi.org/10.7153/oam-2019-13-43
https://doi.org/10.7153/oam-2019-13-43
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] This paper derives some further results on recent generalized inverses studied in the literature, namely core EP, DMP, and CMP inverses. Our main aim is to develop maximal classes of matrices for which their representations remain valid. (C) 201
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::285bf151bb21cdcfac8fee9dab24e84b
http://linkinghub.elsevier.com/retrieve/pii/S0096300318302832
http://linkinghub.elsevier.com/retrieve/pii/S0096300318302832
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
instname
[EN] In this paper, we present necessary and sufficient conditions for the k-commutative equality , where X is an outer generalized inverse of the square matrix A. Also, we give new representations for core EP, DMP, and CMP inverses of square matrice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13b94f5690c7d3def79e8605634b7b99
https://doi.org/10.1080/03081087.2018.1500994
https://doi.org/10.1080/03081087.2018.1500994