Heterogeneous Treatment Effect Bounds under Sample Selection with an Application to the Effects of Social Media on Political Polarization
September 9, 2022
Economics
Statistics
Econometrics
Machine Learning
We propose a method for estimation and inference for bounds for heterogeneous
causal effect parameters in general sample selection models where the treatment
can affect whether an outcome is observed and no exclusion restrictions are
availa...
Posterior contraction and uncertainty quantification for the multivariate spike-and-slab LASSO
September 9, 2022
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Mathematics
Statistics
Statistics Theory
Statistics Theory
We study the asymptotic properties of Deshpande et al.\ (2019)'s multivariate
spike-and-slab LASSO (mSSL) procedure for simultaneous variable and covariance
selection in the sparse multivariate linear regression problem. In that
problem, $q...
Decomposition of the algebra of analytic functionals on a connected complex Lie group and its completions into iterated analytic smash products
September 9, 2022
Mathematics
Functional Analysis
We show that a decomposition of a complex Lie group into a semidirect
product generates that of the algebra of analytic functional, , into an analytic smash product in the sense of Pirkovskii. Also we find
sufficient co...
The Small-Noise Limit of the Most Likely Element is the Most Likely Element in the Small-Noise Limit
September 9, 2022
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Mathematics
Probability
In this paper, we study the Onsager-Machlup function and its relationship to
the Freidlin-Wentzell function for measures equivalent to arbitrary infinite
dimensional Gaussian measures. The Onsager-Machlup function can serve as a
density on ...
Phase field model for multi-material shape optimization of inextensible rods
September 9, 2022
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Mathematics
Computer Science
Physics
Optimization and Control
Numerical Analysis
Mathematical Physics
Mathematical Physics
Numerical Analysis
We derive a model for the optimization of the bending and torsional
rigidities of non-homogeneous elastic rods. This is achieved by studying a
sharp interface shape optimization problem with perimeter penalization, that
treats both rigiditi...
Vehicle Trajectory Tracking Through Magnetic Sensors: A Case Study of Two-lane Road
September 9, 2022
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Computer Science
Robotics
Intelligent Transportation Systems (ITS) have a pressing need for efficient
and reliable traffic surveillance solutions. This paper for the first time
proposes a surveillance system that utilizes low-cost magnetic sensors for
detecting and ...
Window Expressions for Stream Data Processing
September 9, 2022
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Computer Science
Formal Languages and Automata Theory
Traditional ways of storing and querying data do not work well in scenarios
where data is being generated continuously and quick decisions need to be
taken. For example, in hospital intensive care units, signals from multiple
devices need t...
-PINNs: physics-informed neural networks on complex geometries
September 8, 2022
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Computer Science
Machine Learning
Machine Learning
Physics-informed neural networks (PINNs) have demonstrated promise in solving
forward and inverse problems involving partial differential equations. Despite
recent progress on expanding the class of problems that can be tackled by
PINNs, mo...
Participant Perceptions of a Robotic Coach Conducting Positive Psychology Exercises: A Qualitative Analysis
September 8, 2022
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Computer Science
Human-Computer Interaction
Robotics
Human-Computer Interaction
Robotics
This paper presents a qualitative analysis of participants' perceptions of a
robotic coach conducting Positive Psychology exercises, providing insights for
the future design of robotic coaches. Participants (n = 20) took part in a
single-se...
SPIDER: Fuzzing for Stateful Performance Issues in the ONOS Software-Defined Network Controller
September 8, 2022
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Computer Science
Cryptography and Security
Cryptography and Security
Performance issues in software-defined network (SDN) controllers can have
serious impacts on the performance and availability of networks. In this paper,
we consider a special class of SDN vulnerabilities called stateful performance
issues ...