$R=\begin{bmatrix}\mathbb C&\mathbb H\\0&\mathbb H\end{bmatrix}$

Keywords triangular ring

- S. K. Berberian. The center of a corner of a ring. (1981) @ Example 1 pp 515-516

Symmetric properties

Asymmetric properties

Legend

- = has the property
- = does not have the property
- = information not in database

Name | Measure | |
---|---|---|

cardinality | $\mathfrak c$ | |

composition length | left: 4 | right: 3 |

Krull dimension (classical) | 0 |

Name | Description |
---|---|

Left singular ideal | $\{0\}$ |

Right singular ideal | $\{0\}$ |