#	School Name	Student Group	Instructor	Paper Title
1	Ridley College	Siming He	Yueping Zhu	A Sign Language Translation System Based on Deep Learning
2	Milton Academy	Yutian (Tim) Fan	Jundi Wang	Cerebral Infarction Rehabilitation Evaluation with Posture Analyses
3	Belmont High School	Alek Westover	William Kuszmaul	In-Place Parallel-Partition Algorithms using Exclusive-Read-and-Write Memory
4	Phillips Academy Andover	William Yue, Sebastian Zhu, Vincent Fan	Chun Hong Lo	On the Complexity of Generalized Roller Splat!
5	Archbishop Mitty High School	Jiayi Liu	WenWu Wang	A Privacy Secure Login System with a New Hierarchical Deterministic Key Pair Generation Method
6	Saint Mark's School	Beining Zhou	Edward Valitutto	An Improved Approach on the Extremal-weight Tripartite Assignment Problem by Optimization Algorithms
7	Danbury Math Academy	Kenneth Choi, Tony Lee	Xiaodi Wang	Differentially Private M-band Wavelet-Based Mechanisms in Machine Learning Environments
8	Deerfield Academy	Zhi Hua Yuk	Shuliang Bai, Kyle Luh	Ricci Flow Approach to the School Bus Routing Problem

2019丘成桐中學(xué)科學(xué)獎半決賽名單(海外賽區(qū))-經(jīng)濟金融數(shù)學(xué)建模

4組隊伍晉級，2019丘賽經(jīng)濟金融數(shù)學(xué)建模海外賽區(qū)半決賽安排：

1:00PM-4:00PM?on?Saturday,? November 2, 2019 ，地點：哈佛數(shù)學(xué)與應(yīng)用中心Harvard Center for Mathematical Sciences and Applications (CMSA) at 20 Garden Street, Cambridge MA 02138.

#	School Name	Student Group	Instructor	Paper Title
1	Cushing Academy (U.S.)	Yiran Eva Li	Zhengren Zhu	Chinese Immigrants and Local Labor Markets in the U.S.: A State-Level Analysis
2	Thomas Jefferson High School for Science and Technology	Benjamin Kang	James Unwin	All-Pay Auctions with Different Forfeit Functions
3	The Lawrenceville School	Junzhi Chao	Zhe Liu	Modeling and Analysis of Uber’s Rider Pricing
4	Holderness School	Andrew Chixiao Yang	Feng Gao	Optimization Modeling of Retirement Age for Urban Population in China

2019丘成桐中學(xué)科學(xué)獎半決賽名單(海外賽區(qū))-數(shù)學(xué)

7組隊伍晉級，2019丘賽數(shù)學(xué)海外賽區(qū)半決賽安排：

Saturday,??November 2, 2019 地點：哈佛數(shù)學(xué)與應(yīng)用中心 Harvard Center for Mathematical Sciences and Applications (CMSA) at 20 Garden Street, Cambridge MA 02138.

#	School Name	Student Group	Instructor	Paper Title
1	Jesuit High School	Rupert Li	Yibo Gao	Compatible Recurrent Identities of the Sandpile Group and Maximal Stable Configurations
2	The Taft School	Xiaohan Ye	Joseph Zipoli	On the Finiteness of a Special Family of Polynomials
3	Abel Academy (I will attend Stanford Online High School in fall 2019.)	Espen Slettnes	Jesse Geneson	Minimal Embedding Dimensions of Rectangle k-Visibility Graphs
4	Phillips Exeter Academy	Lucy Cai	Damin Wu	A Study of the Carathéodory Conjecture through the Perturbation of a Rotationally Symmetric Surface
5	The Roxbury Latin School	Christopher Zhu	Pakawut Jiradilok	Enumerating Permutations and Rim Hooks Characterized by Double Descent Sets
6	Choate Rosemary Hall	Ziyan Lei	Shuliang Bai	Ricci-flat 5-regular graphs
7	Westminster School	Michelle Wu	Steve Miller	Biases in First and Second Moments of the Fourier Coefficients in One- and Two-Parameter Families of Elliptic Curves

2019丘成桐中學(xué)科學(xué)獎半決賽名單(海外賽區(qū))-生物

8組隊伍晉級，2019丘賽生物海外賽區(qū)半決賽安排：

11:00am–3:00pm?on?17th October 2019 地點：哈佛數(shù)學(xué)與應(yīng)用中心 Harvard Center for Mathematical Sciences and Applications (CMSA) at 20 Garden Street, Cambridge MA 02138.

#	School Name	Student Group	Instructor	Paper Title
1	Loomis Chaffee school	Shen Haokai	Yu Shrike Zhang	Study of injectable hydrogel microspheres loaded with bone marrow mesenchymal stem cells for the treatment of degenerative intervertebral disc
2	Rabun Gap-Nacoochee School, Phillips Academy Andover	Yijie Hao, Xinkai Shen	Chenxi Huang	Automatic Detection and Classification of Lesions in the Alimentary Tract in Endoscopic Images Based on Deep Learning
3	Belmont High School	Jason Yang	Martin Falk, Sameer Abraham	Single-cell RNA-seq does not yield a relationship in gene pair distance versus correlation
4	The Harker School	Gloria Zhuo Jia Zhang	Danyang He, Ruihan Tang	Cytokine Receptor IL-33: ST-2 signaling developmentally regulates susceptibility to seizures, synaptic plasticity and microglial phagocytic activity
5	Ridley College	Yucheng Xiao	WanYi LI	The Application of Zanthoxylum Bungeanum Maxim’s Antibacterial Component Extract in Cosmetics
6	Phillips Academy	Sarah Chen	Tamara Ouspenskaia, Travis Law	Seeking Candidate Neoantigens from Retained Introns
7	Salisbury School	Yinchi Wang	Betty Wang	Study of the Anti-Cancer and Anti- Mitotic Activities of Acetylcorynoline Purified from Corydalis longicalcarata Rhizomes
8	Phillips Exeter Academy	Neil Chowdhury	Sameer Abraham	A method to recognize universal patterns in genome structure using Hi-C

2019丘成桐中學(xué)科學(xué)獎半決賽名單(海外賽區(qū))-化學(xué)

4組隊伍晉級，2019丘賽生物海外賽區(qū)半決賽安排：

時間和地點：9:00 - 11:00 AM?on?October 26, 2019?at UCLA.

#	School Name	Student Group	Instructor	Paper Title
1	Princeton International School of Mathematics and Science	Songtao Li	Qiang Chen	Green Synthesis of Titanium Dioxide/Polymer Nanocomposites with Enhanced Catalytic Activity
2	Hamden Hall Country Day School	Yue Zhao	Xueli Zheng	Few-layer MoS2 nanosheet-modified CdS inverse opal heterostructures with enhanced
3	William Mason High School	Justin Huang	Betty Wang	Preparation of Reusable PVA-Nano TiO2 Foam For Wastewater Treatment
4	Choate Rosemary Hall	Alice Cai	Betty Wang	Enhanced Photocatalytic Activity of Carbon Dots Grafted TiO2 Nanorods

2019丘成桐中學(xué)科學(xué)獎半決賽名單(海外賽區(qū))-物理

2組隊伍晉級，2019丘賽物理海外賽區(qū)半決賽安排：

時間和地點：Saturday,? November 2, 2019?at?Harvard Science Center (Address: 1 Oxford St, Cambridge, MA 02138).

#	School Name	Student Group	Instructor	Paper Title
1	Riverside STEM Academy	Jimmy Shi	Jagadeesh Moodera	Creating Designer Materials for Magnon Valve Devices
2	Phillips Academy	Victoria Zhang	Bolun Chen	Patterns and Symmetries in Spiking Neural Networks