I am available to give these talks:
If you would like to schedule me to speak for your group or arrange a math party, please email me.
This talk is targeted to undergraduate math students or advanced high school students. I assume the knowledge of binomial coefficients.
Have you ever heard of untouchable numbers? How about aspiring numbers? I will tell you what they are.
I will talk about perfect numbers and how they are connected to Mersenne primes. I will talk about the biggest known prime number.
Have you ever wondered what is the most famous number sequence? What is the most versatile sequence? We will discuss that.
What is the largest amount of coin money you can have without being able to make change for a dollar? You can bring your answer to this seminar. What is so special about 1089? You will learn that too. Is 42 (The Answer to Life, the Universe, and Everything) more famous than 47 (the secret Star Trek TNG number)? You will get the answer to that.
I will also show you the Internet resources about numbers. You will be able to find out many things about your favorite numbers.
This talk is targeted for middle school children.
I will teach binary numbers, show two magic tricks and we will play with binary dollars.
This talk is targeted for middle school children.
I will discuss the divisibility rules, teach you to play the flip-flop game and show two magic tricks.
This talk can be adjusted to different levels from middle school to graduate school.
I will discuss topology using drawings of Anatoly Fomenko and YouTube movies.
This talk is targeted to undergraduate or graduate math students.
I will talk about radar tracking rules and define tracking and non-tracking sequences. I will also discuss tournaments, score vectors and define unique tournaments. One of the non-tracking sequences is the same as the sequence counting unique tournaments. I will define a bijection between unique tournaments and binary strings.
This talk is targeted to a general audience.
I will analyze Mega Millions lottery game. I will discuss the probability of winning and the expected value of the game depending on the Jackpot. How big the Jackpot should be so your expected return is bigger than your investment? Is Mega Millions ever worth playing?
Will your chances change when you buy many tickets or when people pool money together? I will talk about that.
I will also discuss other lotteries. I will tell you about famous scams, as well as some not so famous clever schemes for attempting to beat lotteries.
This talk is targeted to curious programmers and advanced computer science students. Here are the PowerPoint slides of my Double Trouble talk. If you want to think about puzzles before reading their solutions, then watch this presentation as a slide show.
I will present my collection of puzzling behaviors of Doubles in Java. I will explain the theory behind the doubles. I will present suggestions on how to handle the double's misbehavior and what to avoid. Doubles might be scary, but they are also fun.
This half-hour talk is targeted to a general audience of math lovers. PowerPoint Pi Day Talk Slides
In a celebration of the Pi Day I will tell you fun facts about number Pi.
This party is targeted to a general audience of math lovers starting from age 12. The audience is arranged in teams of at least 4 people. The fastest team wins.
I you will compete in fun hands-on math activities.
Last revised December 2007