Steven I. Marcus
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View article: On Structural Properties of Risk-Averse Optimal Stopping Problems
On Structural Properties of Risk-Averse Optimal Stopping Problems Open
We establish structural properties of optimal stopping problems under time-consistent dynamic (coherent) risk measures, focusing on value function monotonicity and the existence of control limit (threshold) optimal policies. While such res…
View article: Automated Behavioral Profiling Using Neural Networks Reveals Differences in Stress‐Like Behavior Between Cave and Surface‐Dwelling <i>Astyanax mexicanus</i>
Automated Behavioral Profiling Using Neural Networks Reveals Differences in Stress‐Like Behavior Between Cave and Surface‐Dwelling <i>Astyanax mexicanus</i> Open
Behavioral stress responses allow animals to quickly adapt to local environments and are critical for survival. Stress responses provide an ideal model for investigating the evolution of complex behaviors due to their conservation across s…
View article: Automated behavioral profiling using neural networks reveals differences in stress-like behavior between cave and surface-dwelling <i>Astyanax mexicanus</i>
Automated behavioral profiling using neural networks reveals differences in stress-like behavior between cave and surface-dwelling <i>Astyanax mexicanus</i> Open
Behavioral stress responses allow animals to quickly adapt to local environments and are critical for survival. Stress responses provide an ideal model for investigating the evolution of complex behaviors due to their conservation across s…
View article: Optimal Acceptance of Incompatible Kidneys
Optimal Acceptance of Incompatible Kidneys Open
Incompatibility between patient and donor is a major barrier in kidney transplantation (KT). The increasing shortage of kidney donors has driven the development of desensitization techniques to overcome this immunological challenge. Compar…
View article: Resilience to denial-of-service and integrity attacks: A structured systems approach
Resilience to denial-of-service and integrity attacks: A structured systems approach Open
View article: Resilience to Denial-of-Service and Integrity Attacks: A Structured\n Systems Approach
Resilience to Denial-of-Service and Integrity Attacks: A Structured\n Systems Approach Open
The resilience of cyberphysical systems to denial-of-service (DoS) and\nintegrity attacks is studied in this paper. The cyberphysical system is modeled\nas a linear structured system, and its resilience to an attack is interpreted\nin a gr…
View article: Dynamic estimation of auditory temporal response functions via state-space models with Gaussian mixture process noise
Dynamic estimation of auditory temporal response functions via state-space models with Gaussian mixture process noise Open
Estimating the latent dynamics underlying biological processes is a central problem in computational biology. State-space models with Gaussian statistics are widely used for estimation of such latent dynamics and have been successfully uti…
View article: Random directions stochastic approximation with deterministic\n perturbations
Random directions stochastic approximation with deterministic\n perturbations Open
We introduce deterministic perturbation schemes for the recently proposed\nrandom directions stochastic approximation (RDSA) [17], and propose new\nfirst-order and second-order algorithms. In the latter case, these are the\nfirst second-or…
View article: Random directions stochastic approximation with deterministic perturbations
Random directions stochastic approximation with deterministic perturbations Open
We introduce deterministic perturbation schemes for the recently proposed random directions stochastic approximation (RDSA) [17], and propose new first-order and second-order algorithms. In the latter case, these are the first second-order…
View article: Weighted Bandits or: How Bandits Learn Distorted Values That Are Not Expected
Weighted Bandits or: How Bandits Learn Distorted Values That Are Not Expected Open
Motivated by models of human decision making proposed to explain commonly observed deviations from conventional expected value preferences, we formulate two stochastic multi-armed bandit problems with distorted probabilities on the cost di…
View article: Cumulative weighting optimization
Cumulative weighting optimization Open
Global optimization problems with limited structure (e.g., convexity or differentiability of the objective function) can arise in many fields. One approach to solving these problems is by modeling the evolution of a probability density fun…