Author: John Baez Format: MarkdownItexGave concrete formula for coextension of scalars and a case where extension and coextension agree.
<a href="https://ncatlab.org/nlab/revision/diff/coextension+of+scalars/5">diff</a>, <a href="https://ncatlab.org/nlab/revision/coextension+of+scalars/5">v5</a>, <a href="https://ncatlab.org/nlab/show/coextension+of+scalars">current</a>
Gave concrete formula for coextension of scalars and a case where extension and coextension agree.