A general incidence bound in Rd
A general incidence bound in Rd
复制标题
Rd 中的一般发生率
DOI:
10.1016/j.ejc.2021.103330
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发表时间:
2021
影响因子:
1
通讯作者:
Sheffer, Adam
中科院分区:
文献类型:
--
作者:
Do, Thao;Sheffer, Adam
We derive a general upper bound for the number of incidences with k-dimensional varieties in R d. The leading term of this new bound generalizes previous bounds for the special cases of k= 1, k= d− 1, and k= d∕ 2, to every 1≤ k< d. We also derive lower bounds showing that this leading term is tight in various cases, up to sub-polynomial factors. To prove our incidence bounds, we introduce the dimension ratio of an incidence problem. This ratio provides an intuitive approach for deriving incidence bounds and isolating the main difficulties. It may also be a step towards a more unified incidence theory.
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