Suche
Ergebnisse
-
Skin conductance predicts earnings in a market bubble-and-crash scenario
(2023)OSF PreprintsIn financial markets, profit is usually associated with risk-taking, as those who take risks, use the opportunities that markets present.However, during market bubbles, risk-taking might lead to losses, whereas risk aversion can lead to more profit. Emotion-based warning signals might play a role here by helping to recognize when risk aversion is preferable. To study this, we used a trading simulator, where 27 male participants traded on ...Working Paper -
Learning Genomic Sequence Representations using Graph Neural Networks over De Bruijn Graphs
(2023)arXivThe rapid expansion of genomic sequence data calls for new methods to achieve robust sequence representations. Existing techniques often neglect intricate structural details, emphasizing mainly contextual information. To address this, we developed k-mer embeddings that merge contextual and structural string information by enhancing De Bruijn graphs with structural similarity connections. Subsequently, we crafted a self-supervised method ...Working Paper -
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems V: Do Self-Consistent Atmospheric Models Represent JWST Spectra? A Showcase With VHS 1256 b
(2023)arXivThe unprecedented medium-resolution (R=1500-3500) near- and mid-infrared (1-18um) spectrum provided by JWST for the young (120-160Myr) low-mass (12-20MJup) L-T transition (L7) companion VHS1256b has opened new avenues for the in-depth characterization of substellar object atmospheres. In this study, we present a comprehensive analysis of this dataset utilizing a forward modelling approach. We explore five distinct atmospheric models, each ...Working Paper -
Mindfulness Focused Stress Management Chatbot (MISHA) for Students: Pilot Randomized Controlled Trial
(2023)JMIR PreprintsBackground: Globally, students face increasing mental health challenges, including elevated stress levels and declining well-being, leading to academic performance issues and mental health disorders. However, due to stigma and symptom underestimation, students rarely seek effective stress management solutions. Conversational agents (CAs) in the health sector have shown promise in reducing stress, depression, and anxiety. Nevertheless, ...Working Paper -
Green innovation and the transition toward a clean economy
(2023)To combat climate change without sacrificing long-term economic growth, innovation must be redirected toward green technologies. In this paper, we review a recent literature that has developed a directed technical change framework where innovation can be endogenously targeted either toward fossil-fuel enhancing technologies or clean energy sources (such as renewables). We provide empirical evidence of path dependence in firms’ ...Working Paper -
Characterising TOI-732 b and c: New insights into the M-dwarf radius and density valley
(2023)arXivTOI-732 is an M dwarf hosting two transiting planets that are located on the two opposite sides of the radius valley. By doubling the number of available space-based observations and increasing the number of radial velocity (RV) measurements, we aim at refining the parameters of TOI-732 b and c. We also use the results to study the slope of the radius valley and the density valley for a well-characterised sample of M-dwarf exoplanets. We ...Working Paper -
Seifert surfaces in the four-ball and composition of binary quadratic forms
(2023)arXivWe use composition of binary quadratic forms to systematically create pairs of Seifert surfaces that are non-isotopic in the four-ball. Our main topological result employs Gauss composition to classify the pairs of binary quadratic forms that arise as the Seifert forms of pairs of disjoint Seifert surfaces of genus one. The main ingredient of the proof is number-theoretic and of independent interest. It establishes a new connection between ...Working Paper -
RELIC: Investigating Large Language Model Responses using Self-Consistency
(2023)arXivLarge Language Models (LLMs) are notorious for blending fact with fiction and generating non-factual content, known as hallucinations. To tackle this challenge, we propose an interactive system that helps users obtain insights into the reliability of the generated text. Our approach is based on the idea that the self-consistency of multiple samples generated by the same LLM relates to its confidence in individual claims in the generated ...Working Paper -
An algebraic criterion for the vanishing of bounded cohomology
(2023)arXivWe prove the vanishing of bounded cohomology with separable dual coefficients for many groups of interest in geometry, dynamics, and algebra. These include compactly supported structure-preserving diffeomorphism groups of certain manifolds; the group of interval exchange transformations of the half line; piecewise linear and piecewise projective groups of the line, giving strong answers to questions of Calegari and Navas; direct limit ...Working Paper -
2D Feature Distillation for Weakly- and Semi-Supervised 3D Semantic Segmentation
(2023)arXivAs 3D perception problems grow in popularity and the need for large-scale labeled datasets for LiDAR semantic segmentation increase, new methods arise that aim to reduce the necessity for dense annotations by employing weakly-supervised training. However these methods continue to show weak boundary estimation and high false negative rates for small objects and distant sparse regions. We argue that such weaknesses can be compensated by ...Working Paper