| Title: | Mathematics at DEC |
| Moderator: | RUSURE::EDP |
| Created: | Mon Feb 03 1986 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 2083 |
| Total number of notes: | 14613 |
The following problems were still open as of Christmas, 1984: A star (*) next to an item means that I think the problem is solvable by the readers of this note file and it would be worth our while to go work on these problems some more. The ones without stars are probably too hard for us. * 7. Spring scale coin problem 14. Distinct difference triangles 22. 120 degree angle in 3D lattice 33. Combinatorial chess problems 41. N-clusters 42. Absolute difference triangles 53. Point symmetric graphs * 61. Difference Equation * 66. Powers mod M * 67. Recursion for sqrt(2) * 70. Heronian triangles with one side twice another * 72. Factoring x^2+y^2+z^2 83. Disection problem 84. Disection problem * 94. Factroing Fibonacci polynomials 95. Palindromic sequences 98. Continued fraction 102. Polysnake 112. Triples with same sum and product 115. Adding numbers * 118. 5 hard geometry problems * 127. Overlapping operands * 130. Calculating floor areas 133. Squares with 0's and 1's 134. Worst case shell sort 135. Nonlinear periodic sequences 140. n separated by n numbers 147. 7-point problem of Erdos * 153. Exponential least squares 157. Graph containment conjecture * 159. Chase in a circle * 170. Loop invariant 174. Sums of subsets * 182. Generalization of Rolle's theorem * 190. Regular expressions * 193. Approximating real numbers by fractions * 194. Sorting trains
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 199.1 | HARE::STAN | Tue Jan 01 1985 18:19 | 3 | ||
Correction: 182 (Rolle's Theorem) has been solved. 130 (Floor Area's) has now been solved. | |||||