Mechanical basis and topological routes to cell elimination

Kavli Affiliate: G. Ravichandran |Summary:Cell layers eliminate unwanted cells through the extrusion process, which underlines healthy versus flawed tissue behaviors. Although several biochemical pathways have been identified, the underlying mechanical basis including the forces involved in cellular extrusion remain largely unexplored. Utilizing a phase-field model of a three-dimensional cell layer, we study the interplay of […]


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HAWK: Rapid Android Malware Detection through Heterogeneous Graph Attention Networks

Kavli Affiliate: Lihong Wang | First 5 Authors: Yiming Hei, Renyu Yang, Hao Peng, Lihong Wang, Xiaolin Xu | Summary: Android is undergoing unprecedented malicious threats daily, but the existing methods for malware detection often fail to cope with evolving camouflage in malware. To address this issue, we present HAWK, a new malware detection framework […]


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Optical phased array neural probes for beam-steering in brain tissue

Kavli Affiliate: Michael Roukes | Summary:Implantable silicon neural probes with integrated nanophotonic waveguides can deliver patterned dynamic illumination into brain tissue at depth. Here, we introduce neural probes with integrated optical phased arrays and demonstrate optical beam steering in vitro. Beam formation in brain tissue was simulated and characterized. The probes were used for optogenetic […]


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Mechanical Cloak via Data-Driven Aperiodic Metamaterial Design

Kavli Affiliate: Chiara Daraio | First 5 Authors: Liwei Wang, Jagannadh Boddapati, Ke Liu, Ping Zhu, Chiara Daraio | Summary: Mechanical cloaks are materials engineered to manipulate the elastic response around objects to make them indistinguishable from their homogeneous surroundings. Typically, methods based on material-parameter transformations are used to design optical, thermal and electric cloaks. […]


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A Compact Survey on Event Extraction: Approaches and Applications

Kavli Affiliate: Lihong Wang | First 5 Authors: Qian Li, Jianxin Li, Jiawei Sheng, Shiyao Cui, Jia Wu | Summary: Event extraction is a critical technique to apprehend the essential content of events promptly. With the rapid development of deep learning technology, event extraction technology based on deep learning has become a research hotspot. Numerous […]


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Reinforcement Learning-based Dialogue Guided Event Extraction to Exploit Argument Relations

Kavli Affiliate: Lihong Wang | First 5 Authors: Qian Li, Hao Peng, Jianxin Li, Jia Wu, Yuanxing Ning | Summary: Event extraction is a fundamental task for natural language processing. Finding the roles of event arguments like event participants is essential for event extraction. However, doing so for real-life event descriptions is challenging because an […]


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Attend and select: A segment selective transformer for microblog hashtag generation

Kavli Affiliate: Lihong Wang | First 5 Authors: Qianren Mao, Xi Li, Bang Liu, Shu Guo, Peng Hao | Summary: Hashtag generation aims to generate short and informal topical tags from a microblog post, in which tokens or phrases form the hashtags. These tokens or phrases may originate from primary fragmental textual pieces (e.g., segments) […]


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Measurements of the Zodiacal Light Absolute Intensity through Fraunhofer Absorption Line Spectroscopy with CIBER

Kavli Affiliate: James Bock | First 5 Authors: Phillip Korngut, Min Gyu Kim, Toshiaki Arai, Priyadarshini Bangale, James Bock | Summary: Scattered sunlight from the interplanetary dust (IPD) cloud in our Solar system presents a serious foreground challenge for spectro-photometric measurements of the Extragalactic Background Light (EBL). In this work, we report on measurements of […]


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Visual Vibration Tomography: Estimating Interior Material Properties from Monocular Video

Kavli Affiliate: Chiara Daraio | First 5 Authors: Berthy T. Feng, Alexander C. Ogren, Chiara Daraio, Katherine L. Bouman, | Summary: An object’s interior material properties, while invisible to the human eye, determine motion observed on its surface. We propose an approach that estimates heterogeneous material properties of an object from a monocular video of […]


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Competing correlated states around the zero field Wigner crystallization transition of electrons in two-dimensions

Kavli Affiliate: Joseph Falson | First 5 Authors: Joseph Falson, Inti Sodemann, Brian Skinner, Daniela Tabrea, Yusuke Kozuka | Summary: The competition between kinetic energy and Coulomb interactions in electronic systems can lead to complex many-body ground states with competing superconducting, charge density wave, and magnetic orders. Here we study the low temperature phases of […]


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