今個月MD又開會，之後亦一如以往，有academic seminar；詳情如下：
題目：準確傳送的秘密－－編碼學
TOPIC: The Secret of Accurate Transmission - Coding Theory
講者：陳鍵行先生（University of Illinois at Chicago）
SPEAKER: Mr Andy Chan (University of Illinois at Chicago)
日期：2008年6月21日（星期六）
DATE: June 21, 2008 (Sat)
時間：下午五時至下午六時十五分
TIME: 5pm--6:15pm
地點：香港城市大學 P4909 室（紫色區域四樓）
VENUE: Room P4909 (Purple Zone, 4/F) in City University of Hong Kong
歡迎任何對數學有興趣的人來聽講座。
Anyone who are interested in Mathematics are welcomed to this seminar.
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準確傳送的秘密－－編碼學
現代資訊交流頻繁。簡單至手填表格，複雜至電腦以光纖傳送資料都是生活不可或缺的部分。我們可以怎樣利用數學減少傳遞訊息時出錯的機會？方法就是編碼學。講座將討論幾種常用的測錯和除錯方法，並簡介其背後的數學結構。
The Secret of Accurate Transmission - Coding Theory
Data transfer is frequent nowadays. It plays an important role in our daily life. It can be as simple as filling forms manually, or as complicated as data transmission between computers via optical fibres. How can we reduce errors during the course of transmission with mathematics? The method is coding theory! In the seminar, we will discuss several error-detecting and error-correcting methods. The mathematical structure behind will be introduced as well.
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講座流程：
1. 編碼學的用途
2. 最基本的例子：重覆編碼
3. 最常見的例子：檢測碼
4. 測錯距離及除錯距離
5. Hamming 碼
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