Generation of large lepton asymmetries

A Casas, WY Cheng, G Gelmini - Nuclear Physics B, 1999 - Elsevier
We present here a realistic model to produce a very large lepton asymmetry L ⋍ 10 −2 −1 ,
without producing a large baryon asymmetry. The model is based on the Affleck and Dine …

The analytics of reset options

WY Cheng, S Zhang - The Journal of Derivatives, 2000 - pm-research.com
This article introduces a unique investment paradigm that provides a blueprint for developing
enhanced international indexes and fund-of-funds exchange-traded funds using the …

Market risk management of banks: implications from the accuracy of Value‐at‐Risk forecasts

MCS Wong, WY Cheng, CYP Wong - Journal of Forecasting, 2003 - Wiley Online Library
This paper adopts the backtesting criteria of the Basle Committee to compare the performance
of a number of simple Value‐at‐Risk (VaR) models. These criteria provide a new …

A note on the intraday patterns of initial public offerings: evidence from Hong Kong

W Cheng, YL Cheung, K Po - Journal of Business Finance & …, 2004 - Wiley Online Library
This paper examines the intraday patterns of IPOs in Hong Kong during the period 1995–1998.
The results reveal that the well‐known under‐pricing phenomenon of IPOs occurs only at …

The impact on IPO performance of more stringent listing rules with a pre‐listing earnings requirement: evidence from Hong Kong

W Cheng, Y Cheung, Y Tse - Journal of Business Finance & …, 2006 - Wiley Online Library
This study considers the impact of a change to listing rules covering IPO performance in the
Hong Kong stock market. The change, introduced in 1994, imposed a three‐year prelisting …

Particle-antiparticle asymmetry due to nonrenormalizable effective interactions

AO Bouzas, WY Cheng, G Gelmini - Physical Review D, 1997 - APS
A toy baryogenesis model is presented in which a net global charge is generated through
out-of-equilibrium decays of a massive particle due to nonrenormalizable, effective interactions…

Profitability of the CRISMA system: From world indices to the Hong Kong stock market

WY Cheng, YL Cheung, HHM Yung - Asia-Pacific Financial Markets, 2003 - Springer
Many studies show that the use of technical analysis can generate excess returns. We test
the “CRISMA” technical trading rule introduced by [Pruitt and White J. Portfolio Managt. Spring…

The Analytics of Reset Options.

C Wai-Yan, Z Shuguang - Journal of Derivatives, 2000 - elibrary.ru
The Analytics of Reset Options. КОРЗИНА ПОИСК НАВИГАТОР ЖУРНАЛЫ КНИГИ
ПАТЕНТЫ ПОИСК АВТОРЫ ОРГАНИЗАЦИИ КЛЮЧЕВЫЕ СЛОВА РУБРИКАТОР Начальная …

“Getting ready to teach”: using photovoice within a collaborative action research project

S Wai-Yan Wan, CKW Chu, AHH Cheng… - Journal of Education …, 2021 - Taylor & Francis
The paper draws upon a collaborative action research project using Photovoice aiming at
empowering participants to voice and critically reflect by thinking deeply about their context …

[HTML][HTML] Breast tumour classification using ultrasound elastography with machine learning: A systematic scoping review

YJ Mao, HJ Lim, M Ni, WH Yan, DWC Wong… - Cancers, 2022 - mdpi.com
Simple Summary Breast cancer is one of the most common cancers among women globally.
Early and accurate screening of breast tumours can improve survival. Ultrasound …