Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Metrically Round and Sleek Metric Spaces   A round metric space is the one in which closure of each open ball is the
corresponding closed ball. By a sleek metric space, we mean a metric space in
which interior of each closed ball is the corresponding open ball. In this,
article we establish some results on round metric spaces and sleek metric
spaces.

23
The categories of this paper are: solv-int
20
The categories of this paper are: acc-phys
28
The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
21
The categories of this paper are: adap-org
24
The categories of this paper are: dg-ga
18
The categories of this paper are: econ
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
0
The categories of this paper are: hep-ph
22
The categories of this paper are: chao-dyn
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
30
The categories of this paper are: q-alg