2 problems

Let $\mathds{K}=\mathbb{R}((\Gamma))$ be a field of generalized series with a partial logarithm, and let $\mathbb{L}\subset\mathds{K}$ be a complete subfield containing $\Gamma$ an…

Let $\mathds{K}$ be a subfield of generalized series such that the surreal numbers $\mathbf{No}$ can be described as an exponential-logarithmic series field…