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  1. Segregation, Gerrymandering, and Schelling’s Model
  2. The Hawaiian Missile Crisis
  3. Slides from a talk at the Joint Math Meetings 2018
  4. We begin bombing Korea in five minutes: Parallels to Reagan in 1984
  5. Advent of Code: Day 4
  6. Advent of Code: Day 3
  7. Advent of Code: Day 2
  8. Advent of Code: Day 1
  9. A Jupyter Notebook from a SageMath tutorial
  10. Having no internet for four half weeks isn’t necessarily all bad
  11. A Short Note on Gaps Between Powers of Consecutive Primes
  12. Sage Days 87 Demo: Interfacing between sage and the LMFDB
  13. “Second Moments in the Generalized Gauss Circle Problem” (with T. Hulse, C. Ieong Kuan, and A. Walker)
  14. How fat would we have to get to balance carbon emissions?
  15. Slides from a Dissertation Defense
  16. Experimenting with latex2html5: PSTricks to HTML interactivity
  17. Slides from a Talk at the Dartmouth Number Theory Seminar
  18. Smooth Sums to Sharp Sums 1
  19. About 2017
  20. Revealing zero in fully homomorphic encryption is a Bad Thing
  21. My Teaching
  22. Programming Masthead
  23. Math 100 Fall 2016: Concluding Remarks
  24. Computing pi with tools from Calculus
  25. Series Convergence Tests with Prototypical Examples
  26. A Notebook Preparing for a Talk at Quebec-Maine
  27. Math 100: Completing the partial fractions example from class
  28. “On Functions Whose Mean Value Abscissas are Midpoints, with Connections to Harmonic Functions” (with Paul Carter)
  29. Paper: Sign Changes of Coefficients and Sums of Coefficients of Cusp Forms
  30. Math 42 Spring 2016 Student Showcase
  31. Math 42: Concluding Remarks
  32. Math 420: Supplement on Gaussian Integers II
  33. Math 420: Supplement on Gaussian Integers
  34. A Brief Notebook on Cryptography
  35. Motivating a Change of Variables in $\int \log x / (x^2 + ax + b) dx$
  36. Math 420: Second Week Homework
  37. Math 420: First Week Homework and References
  38. Paper:Short-Interval Averages of Sums of Fourier Coefficients of Cusp Forms
  39. Paper: The Second Moments of Sums of Fourier Coefficients of Cusp Forms
  40. Estimating the number of squarefree integers up to $X$
  41. Some Statistics on the Growth of Math.SE
  42. One cute integral served two ways
  43. The Gamma Function, Beta Function, and Duplication Formula
  44. Notes from a talk on the Mean Value Theorem
  45. Mathematics Category Archive
  46. Three Conundrums on Infinity
  47. Continuity of the Mean Value
  48. Review of How Not to Be Wrong by Jordan Ellenberg
  49. Another proof of Wilson’s Theorem
  50. Trigonometric and related substitutions in integrals
  51. A bit more about partial fraction decomposition
  52. Functional Equations for L-Functions arising from Modular Forms
  53. A response to FtYoU’s question on Reddit
  54. Friendly Introduction to Sieves with a Look Towards Progress on the Twin Primes Conjecture
  55. Math 100 Fall 2013: Concluding Remarks
  56. Response to bnelo12’s question on Reddit (or the Internet storm on $1 + 2 + \ldots = -1/12$)
  57. An Intuitive Overview of Taylor Series
  58. Response to fattybake’s question on Reddit
  59. Math 100: Before second midterm
  60. Comments vs documentation in python
  61. Programming
  62. Math 100: Week 4
  63. Math 100: Week 3 and pre-midterm
  64. Happy Birthday to The Science Guy
  65. An intuitive introduction to calculus
  66. Twenty Mathematicians, Two Hard Problems, One Week, IdeaLab2013
  67. Chinese Remainder Theorem (SummerNT)
  68. Notes on the first week (SummerNT)
  69. A proof from the first sheet (SummerNT)
  70. Recent developments in Twin Primes, Goldbach, and Open Access
  71. Calculations with a Gauss-type Sum
  72. A Book Review of Count Down: The Race for Beautiful Solutions at the IMO
  73. Hurwitz Zeta is a sum of Dirichlet L Functions, and vice-versa
  74. Math journals and the fight over open access
  75. Are the calculus MOOCs any good: After week 1
  76. Are the calculus MOOCs any good?
  77. Math 90: Concluding Remarks
  78. Math 90: Week 11 and Midterm Solutions
  79. An Application of Mobius Inversion to Certain Asymptotics I
  80. Math 90: Week 10
  81. Math 90: Week 8 Quiz
  82. Math 90: Week 8
  83. Math 90: Week 7
  84. Math 90: Week 5
  85. Math 90: Week 4
  86. Math 90: Week 3
  87. Math 90: Week 2
  88. Math 90: Week 1
  89. The danger of confusing cosets and numbers
  90. An elementary proof of when 2 is a quadratic residue
  91. Dancing ones PhD
  92. Precalculus Supplement: Synthetic Division
  93. A MSE Collection: Topology Book References
  94. Three number theory bits: One elementary, the 3-Goldbach, and the ABC conjecture
  95. A MSE Collection: A list of basic integrals
  96. A pigeon for every hole, and then one (sort of)
  97. From the Exchange: Is it unheard of to like math but hate proofs?
  98. Back to Work
  99. Education Musings
  100. Tiontobl: A combinatorial game
  101. Mapping Class Groups
  102. Ghostwritten Word
  103. Not so Nobel today
  104. Points under Parabola
  105. Finding the Number of Lattice Points Under a Quadratic
  106. Two short problems
  107. Page update
  108. A new toy problem
  109. Reading Math
  110. A month, you say?
  111. Fermat Factorization II
  112. From the Exchange
  113. Factoring III
  114. Prime rich and prime poor
  115. Factoring II
  116. Giving Journals
  117. Back and Forum-ing: Beating a dead horse
  118. The Collatz Conjecture – recent development?
  119. Visiting Gaussian Quadrature
  120. Factoring I
  121. Daily Math in Zagreb
  122. Integration by Parts
  123. Dead Week / Finals Week
  124. Khan an effective supplement/ Survey.
  125. Towards an Expression for pi II
  126. Towards an Expression for Pi
  127. 2401: Additional Examples for Test 3
  128. Slow factoring algorithm II
  129. Blue Eyes and Brown Eyes
  130. An even later pi day post
  131. An interesting (slow) factoring algorithm
  132. Math subject organization
  133. Perfect Partitions II
  134. A Bag’s Journey in Search of its Owner
  135. Perfect Partitions
  136. Mathematical ‘Urban Legends’
  137. About 3 weeks behind:
  138. A Question on Stoplights
  139. A late pi day post
  140. Containers of Water II
  141. 2401: Missing recitation
  142. Containers of Water: Maybe an interesting question.
  143. Test Solution
  144. Pizza
  145. Fun Limit
  146. Math – dealing with sin (and cos) every day.