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6 votes
1 answer
488 views

In surreal numbers, what are the main difficulties so far in defining integration?

I know, there were several (including unsuccessful) attempts at defining integration on surreal numbers, so I am asking for a good summary of what have been the main difficulties so far. Particularly, …
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0 votes
0 answers
117 views

Can one represent divergent integrals or germs at infinity with surreal numbers?

I have been disliking the theory of surreal numbers for a while, but let's test it. So, we have a set of divergent improper integrals of continuous functions with the following ordering: $\int_0^\inft …
Anixx's user avatar
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0 votes
0 answers
142 views

Why is the property of linearity against an infinitely-large factor considered essential for...

Why the property $(b)$ in Proposition 14 in this paper on surreal integration is considered essential? The Proposition lists the desired properties of the surreal integration, and among others lists t …
Anixx's user avatar
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-1 votes
1 answer
268 views

Why is it said that all surreal numbers with birthdate $<\omega_1$ are isomorphic to a Hardy...

In this answer I have encountered with the following statement: Assuming CH, every maximal Hardy field is isomorphic to $(\bf{No}(\omega_1), \partial_{\omega_1})$, where $\bf{No}(\omega_1)$ is the s …
Anixx's user avatar
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