Characterization and properties of (Pσ, Q) symmetric and co-symmetric matrices

William F. Trench

Special Matrices (2014)

  • Volume: 2, Issue: 1, page 106-119, electronic only
  • ISSN: 2300-7451

Abstract

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Let P ∈ ℂmxm and Q ∈ ℂn×n be invertible matrices partitioned as P = [P0 P1 · · · Pk−1] and Q = [Q0 Q1 · · · Qk−1], with P ℓ ∈ ℂm×mℓ and Qℓ ∈ ℂn×nℓ , 0 ≤ ℓ ≤ k − 1. Partition P−1 and Q−1 as [...] where P̂ℓ ∈ ℂmℓ ×m, Q̂ℓ ∈ ℂnℓ×n , P̂ℓPm = δℓmImℓ , and Q̂ℓQm = δℓmInℓ , 0 ≤ ℓ, m ≤ k − 1. Let Zk = {0, 1, . . . , k − 1}. We study matrices A = [...] Pσ(ℓ)FℓQℓ and B = [...] QℓGℓPσ(ℓ), where σ : Zk → Zk. Special cases: A = [...] and B = [...] , where Aℓ ∈ ℂd1×d2 and Bℓ ∈ ℂd2×d1, 0 ≤ ℓ ≤ k − 1.

How to cite

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William F. Trench. "Characterization and properties of (Pσ, Q) symmetric and co-symmetric matrices." Special Matrices 2.1 (2014): 106-119, electronic only. <http://eudml.org/doc/266935>.

@article{WilliamF2014,
abstract = {Let P ∈ ℂmxm and Q ∈ ℂn×n be invertible matrices partitioned as P = [P0 P1 · · · Pk−1] and Q = [Q0 Q1 · · · Qk−1], with P ℓ ∈ ℂm×mℓ and Qℓ ∈ ℂn×nℓ , 0 ≤ ℓ ≤ k − 1. Partition P−1 and Q−1 as [...] where P̂ℓ ∈ ℂmℓ ×m, Q̂ℓ ∈ ℂnℓ×n , P̂ℓPm = δℓmImℓ , and Q̂ℓQm = δℓmInℓ , 0 ≤ ℓ, m ≤ k − 1. Let Zk = \{0, 1, . . . , k − 1\}. We study matrices A = [...] Pσ(ℓ)FℓQℓ and B = [...] QℓGℓPσ(ℓ), where σ : Zk → Zk. Special cases: A = [...] and B = [...] , where Aℓ ∈ ℂd1×d2 and Bℓ ∈ ℂd2×d1, 0 ≤ ℓ ≤ k − 1.},
author = {William F. Trench},
journal = {Special Matrices},
keywords = {(Pσ,Q) symmetric; (Pσ,Q) co-symmetric; symmetric matrices; co-symmetric matrices; invertible matrices},
language = {eng},
number = {1},
pages = {106-119, electronic only},
title = {Characterization and properties of (Pσ, Q) symmetric and co-symmetric matrices},
url = {http://eudml.org/doc/266935},
volume = {2},
year = {2014},
}

TY - JOUR
AU - William F. Trench
TI - Characterization and properties of (Pσ, Q) symmetric and co-symmetric matrices
JO - Special Matrices
PY - 2014
VL - 2
IS - 1
SP - 106
EP - 119, electronic only
AB - Let P ∈ ℂmxm and Q ∈ ℂn×n be invertible matrices partitioned as P = [P0 P1 · · · Pk−1] and Q = [Q0 Q1 · · · Qk−1], with P ℓ ∈ ℂm×mℓ and Qℓ ∈ ℂn×nℓ , 0 ≤ ℓ ≤ k − 1. Partition P−1 and Q−1 as [...] where P̂ℓ ∈ ℂmℓ ×m, Q̂ℓ ∈ ℂnℓ×n , P̂ℓPm = δℓmImℓ , and Q̂ℓQm = δℓmInℓ , 0 ≤ ℓ, m ≤ k − 1. Let Zk = {0, 1, . . . , k − 1}. We study matrices A = [...] Pσ(ℓ)FℓQℓ and B = [...] QℓGℓPσ(ℓ), where σ : Zk → Zk. Special cases: A = [...] and B = [...] , where Aℓ ∈ ℂd1×d2 and Bℓ ∈ ℂd2×d1, 0 ≤ ℓ ≤ k − 1.
LA - eng
KW - (Pσ,Q) symmetric; (Pσ,Q) co-symmetric; symmetric matrices; co-symmetric matrices; invertible matrices
UR - http://eudml.org/doc/266935
ER -

References

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