Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: With or without replacement? Sampling uncertainty in Shepp's urn scheme   We introduce a variant of Shepp's classical urn problem in which the optimal
stopper does not know whether sampling from the urn is done with or without
replacement. By considering the problem's continuous-time analog, we provide
bounds on the value function and in the case of a balanced urn (with an equal
number of each ball type) an explicit solution is found. Surprisingly, the
optimal strategy for the balanced urn is the same as in the classical urn
problem.

4
The categories of this paper are: cond-mat
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
28
The categories of this paper are: alg-geom
27
The categories of this paper are: comp-gas
23
The categories of this paper are: solv-int
9
The categories of this paper are: nlin
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
10
The categories of this paper are: q-bio
16
The categories of this paper are: stat
21
The categories of this paper are: adap-org
36
The categories of this paper are: cmp-lg
6
The categories of this paper are: astro-ph
5
The categories of this paper are: gr-qc
24
The categories of this paper are: dg-ga