NUS ENRICHMENT TALK
Title: Prime Numbers and Cryptography
Date: 1 November 2011(Tuesday), Week 12
Venue: LT31 (Blk S16, Level 3), Science Faculty, National University of Singapore
Time: 6:45pm to 8:30pm
Synopsis: Prime numbers are the building blocks of integers. There are many interesting properties of prime numbers. Many questions have been asked and studied about these numbers: What is the formula of prime numbers? What is the largest prime number? How are prime numbers distributed? In this talk, some of these questions will be discussed. We will also look at one significant application of prime numbers to cryptography.
About the speaker:
Victor Tan is an Associate Professor in the Department of Mathematics. He received his B.Sc. (Hons) degree from the National University of Singapore and his Ph.D. degrees from the University of California, Los Angeles. He is also the Vice-Chair of the NUS Teaching Academy. Prof. Tan was a regular winner of NUS Teaching Excellence Awards over the years. In 2007, he won the University's Outstanding Educator Award. Prof. Tan’s research interests are on Algebra and Number Theory. He has also keen interest in using IT in Mathematical teaching. He uses webcasts, Breeze, Classroom response system, virtual tutorial class as well as various IVLE tools to supplement the classroom teaching.
Click here to register!!!
If you have any queries, you can contact us through nus.mathsoc@gmail.com
Proudly brought to you by:
NUS Mathematics Society
NUS Sudoku Competiton 2011
NUS Sudoku Competition 2011 is BACK!!!
Date: Wed 19 October 2011
Time: 6:30pm to 9:00pm
Venue: LT31 (Blk S16, Level 3), Science Faculty, National University of Singapore
Details:
NUS Sudoku Competition 2011 is an annual event organized by the NUS Mathematics Society. In this competition, participants would get to solve different kinds and variants of Sudoku puzzles.
The main objective of this event is to raise the awareness and interest of Sudoku among all NUS students and enable them learn more of an application of Mathematics in real life.
Rules and Regulations for the two rounds:
**Tie-breaker: In the event that there is a tie among the top three scorers after completing the 2 rounds, a new set of Sudoku of medium difficulty will be given for the parties concerned to solve within 5 minutes. Either the highest number of correct squares solved within the 5 minutes or the fastest person to solve the puzzle will be used to decide the final positions.
At the end, the total scores for the two rounds will be totaled up and the top 10 positions will be determined.
Prizes:
Samples:
Haven't solved any sudoku puzzles in a while? Hereare some trial puzzles for you.
Registration is free!!!
Register HEREbefore Monday, 17 Oct 2011
If you have any queries, you can contact us through nus.mathsoc@gmail.com
Are you the next Sudoku Champion? 9,8,7,6,5,4,3,2,1! No time to lose, join NOW!!!
Date: Wed 19 October 2011
Time: 6:30pm to 9:00pm
Venue: LT31 (Blk S16, Level 3), Science Faculty, National University of Singapore
Details:
NUS Sudoku Competition 2011 is an annual event organized by the NUS Mathematics Society. In this competition, participants would get to solve different kinds and variants of Sudoku puzzles.
The main objective of this event is to raise the awareness and interest of Sudoku among all NUS students and enable them learn more of an application of Mathematics in real life.
Rules and Regulations for the two rounds:
- Round 1 –:
- Each participant would be given 3 puzzles, ranging from easy to medium difficulties, to solve.
- The time limit for this round is 20 minutes.
- The score of the individual participants would be determined by the total number of squares that they have answered successfully.
- Participants will be given 1 point for each correct square solved.
- Each completed puzzle will entitle the participants to an extra 5 points.
- Time bonus of 5 points per minute left rounded down would be given to participants who have managed to solve all 3 puzzles correctly within the stipulated time limit. E.g. if a participant has 1.5 minutes left, he will only be given 5 points.
- Once the time limit is up, no participant should write anything on his/her paper. Anyone caught doing so will be given a 10 point penalty.
- Round 2 –:
- Each participant would be given 9 different puzzles, of varying difficulties and variants to choose from, mainly 2 easy, 2 medium and 2 hard normal Sudoku puzzles and 3 medium special Sudoku Puzzles.
- The time limit for this round is 20 minutes.
- They would be free to solve any number of puzzles in this round. Depending on the level of difficulties of puzzles that they have solved, they would be awarded different scores based on the difficulty of the puzzle. For example, they would be given 3 points for each correct square solved in the difficult puzzles, and they would be given 1 point for each correct square solved in the easy puzzles.
- Besides the normal Sudoku, in the second round, there will be 3 other special types of Sudoku mainly, Jigsaw Sudoku, Sudoku X and Monster Sudoku to expose participants to Sudoku of other natures.
- For the special puzzles, each square is worth 2 points and they are of medium difficulty.
- Each completed puzzle will entitle the participants to an extra 5 points.
- Thus, this round is a test of the participants’ puzzle solving skills and their strategies.
- Time is not our concern here.
**Tie-breaker: In the event that there is a tie among the top three scorers after completing the 2 rounds, a new set of Sudoku of medium difficulty will be given for the parties concerned to solve within 5 minutes. Either the highest number of correct squares solved within the 5 minutes or the fastest person to solve the puzzle will be used to decide the final positions.
At the end, the total scores for the two rounds will be totaled up and the top 10 positions will be determined.
Prizes:
- Champion: Trophy + Calculator
- 1st Runner Up: Trophy + Stationary Set
- 2nd Runner Up: Trophy + Book Prize
- Top 10 participants will be given a certificate of Merit each
Samples:
Haven't solved any sudoku puzzles in a while? Hereare some trial puzzles for you.
Registration is free!!!
Register HEREbefore Monday, 17 Oct 2011
If you have any queries, you can contact us through nus.mathsoc@gmail.com
Are you the next Sudoku Champion? 9,8,7,6,5,4,3,2,1! No time to lose, join NOW!!!
Rubik’s cube Learning Session
Date of event: 8 February 2011
Time: 1800 to 1930 hrs
Venue: LT33
Aim of event:
(1) To spread the passion of Rubik’s cube solving to the NUS community
(2) To teach the most basic solving method to those who are interested in Rubik’s cube and yet have no experience in solving it
(3) To increase the awareness for the NUS Rubik’s Cube Competition 2011
Trainer: Indra Yu Jun Qi
About the trainer: The trainer is a year 1 Pure Mathematics student and a member of the NUS Mathematics Society, who has 4 years of Rubik’s cube experience.
About the event:
The target audience of this event is NUS science students who have no prior experience to solving the Rubik’s cube. Hence, only the most fundamental method will be introduced. Cubes will be provided during the event, so participants need not bring their own cubes. Every participant will be given a clearly written Rubik’s cube manual after the event.
Click HERE to register.
Time: 1800 to 1930 hrs
Venue: LT33
Aim of event:
(1) To spread the passion of Rubik’s cube solving to the NUS community
(2) To teach the most basic solving method to those who are interested in Rubik’s cube and yet have no experience in solving it
(3) To increase the awareness for the NUS Rubik’s Cube Competition 2011
Trainer: Indra Yu Jun Qi
About the trainer: The trainer is a year 1 Pure Mathematics student and a member of the NUS Mathematics Society, who has 4 years of Rubik’s cube experience.
About the event:
The target audience of this event is NUS science students who have no prior experience to solving the Rubik’s cube. Hence, only the most fundamental method will be introduced. Cubes will be provided during the event, so participants need not bring their own cubes. Every participant will be given a clearly written Rubik’s cube manual after the event.
Click HERE to register.