[КНИГА][B] Infinite matrices and their recent applications

PN Shivakumar, KC Sivakumar, Y Zhang - 2016 - Springer
Roughly speaking, an infinite matrix is a twofold table A D. ai; j/, i; j 2 N, of real or complex
numbers. A general theory for infinite matrices commenced with Henri Poincaré in 1844 …

[PDF][PDF] Smooth geometry of skew PBW extensions over commutative polynomial rings I

A Rubiano, A Reyes - arxiv preprint arxiv:2409.18947, 2024 - arxiv.org
arxiv:2409.18947v1 [math.QA] 27 Sep 2024 Page 1 arxiv:2409.18947v1 [math.QA] 27 Sep
2024 SMOOTH GEOMETRY OF SKEW PBW EXTENSIONS OVER COMMUTATIVE …

Generalized Inverses: Quaternions

PN Shivakumar, KC Sivakumar, Y Zhang… - Infinite Matrices and …, 2016 - Springer
Abstract A quaternion algebra ℍ H was discovered by Sir Rowan Hamilton in 1843, which is
a four-dimensional non-commutative algebra over real number field ℝ R with canonical …