Xuan Zhao

most citedCohomology of classifying spaces of rank 3 Kac-Moody groups

1 citations · 1 across the 4 of their papers we have counts for

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math.LO2025

A Variant Of Chaitin's Omega function

Yuxuan Li, Shuheng Zhang, Xiaoyan Zhang +1

We investigate the continuous function $f$ defined by $x \mapsto σ \leq_{L} x \sum 2^{- K (σ)}$ as a variant of Chaitin's Omega from the perspective of analysis, computability, and al…

math.LO2025

When is $A + x A = R$

Jinhe Ye, Liang Yu, Xuanheng zhao

We show that there is an additive $F_{σ}$ subgroup $A$ of $R$ and $x \in R$ such that $di m_{H} (A) = \frac{1}{2}$ and $A + x A = R$ . However, if $A \…

A Variant Of Chaitin's Omega function

When is A+xA=R

When is $A + x A = R$