Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A New Lower Bound for the Distinct Distance Constant   The reciprocal sum of Zhang sequence is not equal to the Distinct Distance
Constant. This note introduces a $B_2$-sequence with larger reciprocal sum, and
provides a more precise estimation of the reciprocal sums of Mian-Chowla
sequence and Zhang sequence.

31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat
13
The categories of this paper are: quant-ph
34
The categories of this paper are: chem-ph
24
The categories of this paper are: dg-ga
27
The categories of this paper are: comp-gas
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
14
The categories of this paper are: math-ph
23
The categories of this paper are: solv-int
9
The categories of this paper are: nlin
32
The categories of this paper are: atom-ph