Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Safe Sampling-Based Air-Ground Rendezvous Algorithm for Complex Urban
  Environments   Demand for fast and economical parcel deliveries in urban environments has
risen considerably in recent years. A framework envisions efficient last-mile
delivery in urban environments by leveraging a network of ride-sharing
vehicles, where Unmanned Aerial Systems (UASs) drop packages on said vehicles,
which then cover the majority of the distance before final aerial delivery.
Notably, we consider the problem of planning a rendezvous path for the UAS to
reach a human driver, who may choose between N possible paths and has uncertain
behavior, while meeting strict safety constraints. The long planning horizon
and safety constraints require robust heuristics that combine learning and
optimal control using Gaussian Process Regression, sampling-based optimization,
and Model Predictive Control. The resulting algorithm is computationally
efficient and shown to be effective in a variety of qualitative scenarios.

6
The categories of this paper are: astro-ph
2
The categories of this paper are: math
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
16
The categories of this paper are: stat
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
36
The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
0
The categories of this paper are: hep-ph
10
The categories of this paper are: q-bio
26
The categories of this paper are: bayes-an