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- 09:50, 30 January 2014 (diff | hist) . . (+74) . . MathInternships
- 09:24, 30 January 2014 (diff | hist) . . (+504) . . N Walther375Spring2014 How many lines meet 3 given lines in 3-space? (New page: If you take 2 random lines in 3-space, there are infinitely many other lines that meet these two. What if you also want the line to meet a third random line? All in a sudden, the number of...) (current)
- 09:22, 30 January 2014 (diff | hist) . . (+399) . . N Walther375Spring2014 What exactly is "1"? Defining integers from scratch. (New page: We all "understand" what the number 1 is. Right? How do you really explain what that is to a smart person that has never heard of it? There is a mathematical way of doing it, through set...)
- 09:20, 30 January 2014 (diff | hist) . . (+360) . . N Walther375Spring2014 Generalizing Kuratowski's theorem: drawing graphs on a doughnut (New page: If you try to draw K_5 in the plane (or on a sphere) you will not be able to do it without crossing edges. Explain how on a doughnut K_5 and even K_6 can be drawn. Is K_7 possible? What ab...)
- 09:18, 30 January 2014 (diff | hist) . . (+517) . . N Walther375Spring2014 Simplicial complexes: higher dimensional versions of graphs (New page: A graph is a thing made of point, some of which are linked by line segments. Generalize the idea to points that can also be grouped into triangles, or tetrahedra, etc. For graphs we know...)
- 09:15, 30 January 2014 (diff | hist) . . (+359) . . N Walther375Spring2014 Coloring regular polygons: the theorems of Burnside and Polya (New page: We discuss in class colorings of graphs, where adjacent vertices have different colors. Suppose you took the graph to be a polygon and allowed the graph to be reflected and rotated. How ma...)
- 09:14, 30 January 2014 (diff | hist) . . (+307) . . N Walther375Spring2014 How do Hamming codes correct errors? (New page: What is a code, and what could "error-correcting" mean? Explain what Hamming codes are and how they try to correct errors. And why you would want that in the first place. [[2014 Spring ...)
- 09:13, 30 January 2014 (diff | hist) . . (+243) . . N Walther375Spring2014 lows and cuts in graphs: Menger's theorem (New page: What is a flow in a graph? What is a cut? How do they relate? Describe some ideas around these two concepts. Back to MA375 Spring 2014 [[Category:MA375Spr...)
- 09:11, 30 January 2014 (diff | hist) . . (+252) . . N Walther375Spring2014 antor's "continuum hypothesis", what is it about? (New page: Are there as many integers as rationals? Or as many as reals? If not, are there other sets whose size is inbetween? Back to MA375 Spring 2014 [[Category...)
- 09:11, 30 January 2014 (diff | hist) . . (+238) . . N Walther375Spring2014 Markov chains: what and how? (New page: What is a Markov chain/process? What can you do with it? And why are lots of people talking about them? Back to MA375 Spring 2014 [[Category:MA375Spring20...)
- 09:10, 30 January 2014 (diff | hist) . . (+501) . . N Walther375Spring2014 Unique factorization: how special are the integers? (New page: Any integer factors, more or less uniquely, into prime numbers. Does this question make sense for real numbers? What about numbers of the form a+b*i where i^2=-1 and a,b are integers? What...)
- 09:06, 30 January 2014 (diff | hist) . . (+255) . . N Walther375Spring2014 P=NP and complexity of algorithms (New page: What is a "polynomial time algorithm", and what isn't? Is there a difference? What do we know about these two concepts? Back to MA375 Spring 2014 [[Categ...)
- 09:05, 30 January 2014 (diff | hist) . . (+319) . . N Walther375Spring2014 Cardinals versus ordinals: size and counting (New page: How does one measure the size of a set, and is there a way of saying one set is bigger than another, even when they are both infinite? What "numbers" do measure size of infinite sets? [[...)
- 09:04, 30 January 2014 (diff | hist) . . (+562) . . 2014 Spring MA 375 Walther
- 09:01, 30 January 2014 (diff | hist) . . (-1) . . Walther375Spring2014 (current)
- 09:01, 30 January 2014 (diff | hist) . . (+135) . . N Walther375Spring2014 (New page: [2014 Spring MA 375 Walther|Back to MA375 Spring 2014]] Category:MA375Spring2014Walther Category:Math Category:Project)
- 09:00, 30 January 2014 (diff | hist) . . (+146) . . Walther375Spring2014 Primes numbers in arithmetic progressions
- 08:58, 30 January 2014 (diff | hist) . . (+173) . . N Walther375Spring2014 Primes numbers in arithmetic progressions (New page: If m, n are natural numbers, does the sequence m, m+n, m+2n, ... contain prime numbers? How many? Elaborate on history, relation to other prime number problems, solutions.)
- 08:56, 30 January 2014 (diff | hist) . . (-12) . . 2014 Spring MA 375 Walther
- 08:54, 30 January 2014 (diff | hist) . . (+297) . . 2014 Spring MA 375 Walther
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