2019 YHSA Award-Winning Papers, USA Regional
Biology
Gold Prize: A Method to Recognize Universal Patterns in Genome Structure Using Hi-C (by Neil Chowdhury)
Silver Prize: Seeking Candidate Neoantigens from Retained Introns (by Sarah Chen)
Bronze Prize: Cytokine Receptor IL-33: ST-2 Signaling Developmentally Regulates Susceptibility to Seizures, Synaptic Plasticity and Microglial Phagocytic Activity (by Gloria Zhuo Jia Zhang)
Honorable Mention: Automatic Detection and Classification of Lesions in the Alimentary Tract in Endoscopic Images Based on Deep Learning (by Yijie Hao and Xinkai Shen)
Honorable Mention: Study of Injectable Hydrogel Microspheres Loaded with Bone Marrow Mesenchymal Stem Cells for the Treatment of Degenerative Intervertebral Disc (by Haokai Shen)
Honorable Mention: Study of the Anti-Cancer and Anti-Mitotic Activities of Acetylcorynoline Purified from Corydalis Longicalcarata Rhizomes (by Betty Wang)
Honorable Mention: The Application of Zanthoxylum Bungeanum Maxim's Antibacterial Component Extract in Cosmetics (by Yucheng Xiao)
Honorable Mention: Single-Cell RNA-Seq Does Not Yield a Relationship in Gene Pair Distance Versus Correlation (by Jason Yang)
Chemistry
Gold Prize: Green Synthesis of Titanium Dioxide/Polymer Nanocomposites with Enhanced Catalytic Activity (by Songtao Li)
Silver Prize: Preparation of Reusable PVA-Nano TiO2 Foam For Wastewater Treatment (by Justin Huang)
Honorable Mention: Enhanced Photocatalytic Activity of Carbon Dots Grafted TiO2 Nanorods (by Alice Cai)
Honorable Mention: Few-Layer MoS2 Nanosheet-Modified CdS Inverse Opal Heterostructures with Enhanced Photoelectrochemical Hydrogen Evolution (by Yue Zhao)
Computer Science
Gold Prize: Differentially Private M-band Wavelet-Based Mechanisms in Machine Learning Environments (by Kenneth Choi, Tony Lee)
Silver Prize: Ricci Flow Approach to the School Bus Routing Problem (by Zhi Hua Yuk)
Bronze Prize: In-Place Parallel-Partition Algorithms using Exclusive-Read-and-Write Memory (by Alek Westover)
Honorable Mention: Cerebral Infarction Rehabilitation Evaluation with Posture Analyses (by Yutian Fan)
Honorable Mention: A Sign Language Translation System Based on Deep Learning (by Simon He)
Honorable Mention: A Privacy Secure Login System with a New Hierarchical Deterministic Key Pair Generation Method (by Jiayi Liu)
Honorable Mention: An Improved Approach on the Extremal-weight Tripartite Assignment Problem by Optimization Algorithms (by Beining Zhou)
Honorable Mention: On the Complexity of Generalized Roller Splat! (by Sebastian Zhu, William Yue, and Vincent Fan)
Economic and Financial Modeling
Gold Prize: All-Pay Auctions with Different Forfeit Functions (by Benjamin Kang and James Unwin)
Silver Prize: Chinese Immigrants and Local Labor Markets in the U.S.: A State-Level Analysis (by Yiran Eva Li)
Honorable Mention: Modeling and Analysis of Uber's Rider Pricing (by Junzhi Chao)
Honorable Mention: Optimization Modeling of Retirement Age for Urban Population in China (by Andrew Chixiao Yang)
Mathematics
Gold Prize: Ricci-Flat 5-Regular Graphs (by Ziyan Lei)
Silver Prize: Biases in First and Second Moments of the Fourier Coefficients in One- and Two-Parameter Families of Elliptic Curves (by Michelle Wu)
Bronze Prize: Enumerating Permutations and Rim Hooks Characterized by Double Descent Sets (by Christopher Zhu)
Honorable Mention: A Study of the Carathéodory Conjecture through the Perturbation of a Rotationally Symmetric Surface (by Lucy Cai)
Honorable Mention: Compatible Recurrent Identities of the Sandpile Group and Maximal Stable Configurations (by Rupert Li)
Honorable Mention: Minimal Embedding Dimensions of Rectangle k-Visiblity Graphs (by Espen Slettnes)
Honorable Mention: On the Finiteness of a Special Family of Polynomials (by Xiaohan Ye)
Physics
Gold Prize: Patterns and Symmetries in Spiking Neural Networks (by Victoria Zhang)
Honorable Mention: Integration of Positioning and Energy Transmission with Stepped Frequency Chirp Signal Magnetic Resonance (by Yulin Liu)