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  1. Slides for a talk at JMM 2019
  2. Update to Second Moments in the Generalized Gauss Circle Problem
  3. The wrong way to compute a sum: addendum
  4. The wrong way to compute a sum
  5. Using lcalc to compute half-integral weight L-functions
  6. Extra comparisons in Python’s timsort
  7. Speed talks should be at every conference
  8. A bookmarklet to inject colorblind friendly CSS into Travis CI
  9. Seeing color shouldn’t feel like a superpower
  10. Notes from a Talk at Building Bridges 4
  11. Splitting Easy MathSE Questions into a New NoviceMathSE Is a Bad Idea
  12. Ghosts of Forums Past
  13. Challenges facing community cohesion (and Math.StackExchange in particular)
  14. Paper Announcement: A Shifted Sum for the Congruent Number Problem
  15. Cracking Codes with Python: A Book Review
  16. Notes from a talk at Tufts, Automorphic Forms Workshop
  17. Hosting a Flask App on WebFaction on a Non-root Domain
  18. Segregation, Gerrymandering, and Schelling’s Model
  19. The Hawaiian Missile Crisis
  20. Slides from a talk at the Joint Math Meetings 2018
  21. We begin bombing Korea in five minutes: Parallels to Reagan in 1984
  22. Advent of Code: Day 4
  23. Advent of Code: Day 3
  24. Advent of Code: Day 2
  25. Advent of Code: Day 1
  26. A Jupyter Notebook from a SageMath tutorial
  27. Having no internet for four half weeks isn’t necessarily all bad
  28. A Short Note on Gaps Between Powers of Consecutive Primes
  29. Sage Days 87 Demo: Interfacing between sage and the LMFDB
  30. “Second Moments in the Generalized Gauss Circle Problem” (with T. Hulse, C. Ieong Kuan, and A. Walker)
  31. How fat would we have to get to balance carbon emissions?
  32. Slides from a Dissertation Defense
  33. Experimenting with latex2html5: PSTricks to HTML interactivity
  34. Slides from a Talk at the Dartmouth Number Theory Seminar
  35. Smooth Sums to Sharp Sums 1
  36. About 2017
  37. Revealing zero in fully homomorphic encryption is a Bad Thing
  38. My Teaching
  39. Programming Masthead
  40. Math 100 Fall 2016: Concluding Remarks
  41. Computing pi with tools from Calculus
  42. Series Convergence Tests with Prototypical Examples
  43. A Notebook Preparing for a Talk at Quebec-Maine
  44. Math 100: Completing the partial fractions example from class
  45. “On Functions Whose Mean Value Abscissas are Midpoints, with Connections to Harmonic Functions” (with Paul Carter)
  46. Paper: Sign Changes of Coefficients and Sums of Coefficients of Cusp Forms
  47. Math 42 Spring 2016 Student Showcase
  48. Math 42: Concluding Remarks
  49. Math 420: Supplement on Gaussian Integers II
  50. Math 420: Supplement on Gaussian Integers
  51. A Brief Notebook on Cryptography
  52. Motivating a Change of Variables in $\int \log x / (x^2 + ax + b) dx$
  53. Math 420: Second Week Homework
  54. Math 420: First Week Homework and References
  55. Paper:Short-Interval Averages of Sums of Fourier Coefficients of Cusp Forms
  56. Paper: The Second Moments of Sums of Fourier Coefficients of Cusp Forms
  57. Estimating the number of squarefree integers up to $X$
  58. Some Statistics on the Growth of Math.SE
  59. One cute integral served two ways
  60. The Gamma Function, Beta Function, and Duplication Formula
  61. Notes from a talk on the Mean Value Theorem
  62. Mathematics Category Archive
  63. Three Conundrums on Infinity
  64. Continuity of the Mean Value
  65. Review of How Not to Be Wrong by Jordan Ellenberg
  66. Another proof of Wilson’s Theorem
  67. Trigonometric and related substitutions in integrals
  68. A bit more about partial fraction decomposition
  69. Functional Equations for L-Functions arising from Modular Forms
  70. A response to FtYoU’s question on Reddit
  71. Friendly Introduction to Sieves with a Look Towards Progress on the Twin Primes Conjecture
  72. Math 100 Fall 2013: Concluding Remarks
  73. Response to bnelo12’s question on Reddit (or the Internet storm on $1 + 2 + \ldots = -1/12$)
  74. An Intuitive Overview of Taylor Series
  75. Response to fattybake’s question on Reddit
  76. Math 100: Before second midterm
  77. Comments vs documentation in python
  78. Programming
  79. Math 100: Week 4
  80. Math 100: Week 3 and pre-midterm
  81. Happy Birthday to The Science Guy
  82. An intuitive introduction to calculus
  83. Twenty Mathematicians, Two Hard Problems, One Week, IdeaLab2013
  84. Chinese Remainder Theorem (SummerNT)
  85. Notes on the first week (SummerNT)
  86. A proof from the first sheet (SummerNT)
  87. Recent developments in Twin Primes, Goldbach, and Open Access
  88. Calculations with a Gauss-type Sum
  89. A Book Review of Count Down: The Race for Beautiful Solutions at the IMO
  90. Hurwitz Zeta is a sum of Dirichlet L Functions, and vice-versa
  91. Math journals and the fight over open access
  92. Are the calculus MOOCs any good: After week 1
  93. Are the calculus MOOCs any good?
  94. Math 90: Concluding Remarks
  95. Math 90: Week 11 and Midterm Solutions
  96. An Application of Mobius Inversion to Certain Asymptotics I
  97. Math 90: Week 10
  98. Math 90: Week 8 Quiz
  99. Math 90: Week 8
  100. Math 90: Week 7
  101. Math 90: Week 5
  102. Math 90: Week 4
  103. Math 90: Week 3
  104. Math 90: Week 2
  105. Math 90: Week 1
  106. The danger of confusing cosets and numbers
  107. An elementary proof of when 2 is a quadratic residue
  108. Dancing ones PhD
  109. Precalculus Supplement: Synthetic Division
  110. A MSE Collection: Topology Book References
  111. Three number theory bits: One elementary, the 3-Goldbach, and the ABC conjecture
  112. A MSE Collection: A list of basic integrals
  113. A pigeon for every hole, and then one (sort of)
  114. From the Exchange: Is it unheard of to like math but hate proofs?
  115. Back to Work
  116. Education Musings
  117. Tiontobl: A combinatorial game
  118. Mapping Class Groups
  119. Ghostwritten Word
  120. Not so Nobel today
  121. Points under Parabola
  122. Finding the Number of Lattice Points Under a Quadratic
  123. Two short problems
  124. Page update
  125. A new toy problem
  126. Reading Math
  127. A month, you say?
  128. Fermat Factorization II
  129. From the Exchange
  130. Factoring III
  131. Prime rich and prime poor
  132. Factoring II
  133. Giving Journals
  134. Back and Forum-ing: Beating a dead horse
  135. The Collatz Conjecture – recent development?
  136. Visiting Gaussian Quadrature
  137. Factoring I
  138. Daily Math in Zagreb
  139. Integration by Parts
  140. Dead Week / Finals Week
  141. Khan an effective supplement/ Survey.
  142. Towards an Expression for pi II
  143. Towards an Expression for Pi
  144. 2401: Additional Examples for Test 3
  145. Slow factoring algorithm II
  146. Blue Eyes and Brown Eyes
  147. An even later pi day post
  148. An interesting (slow) factoring algorithm
  149. Math subject organization
  150. Perfect Partitions II
  151. A Bag’s Journey in Search of its Owner
  152. Perfect Partitions
  153. Mathematical ‘Urban Legends’
  154. About 3 weeks behind:
  155. A Question on Stoplights
  156. A late pi day post
  157. Containers of Water II
  158. 2401: Missing recitation
  159. Containers of Water: Maybe an interesting question.
  160. Test Solution
  161. Pizza
  162. Fun Limit
  163. Math – dealing with sin (and cos) every day.