Triangular ring $\begin{bmatrix}\mathbb Q& k\\ 0& k\end{bmatrix}$ where $k$ is the field of constructible numbers.

Keywords triangular ring

- T.-Y. Lam. A first course in noncommutative rings. (2013) @ p 20

Symmetric properties

Asymmetric properties

Legend

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

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

cardinality | $\aleph_0$ | |

composition length | left: $\infty$ | right: 3 |

Krull dimension (classical) | 0 |

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

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

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