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Parker Adey

pgadey.ca

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MathEssays / personal

’15’20’25
Posts
755 from 25 Aug 2011 to 30 Oct 2026
Posting
about daily (252 in the last year)
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personal blog
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https://pgadey.ca/index.xml

2026 224

  1. Week Notes 80: Megan's Birthday, Reading Week, Flock of Birds, etc.
  2. Week Notes Inhibit Spontaneous Blogging?
  3. Nested closed intervals and infs and sups.
  4. Why countable unions in sigma-algebras?
  5. Critical points of piecewise functions.
  6. Week Notes 79: Positive Dossier Feedback! Antaŭen!
  7. Ck Classes
  8. Bilingualism and Denaskuleco
  9. Boolean Lattices
  10. Limsup from Reals to Sets
  11. limsup of Sets and Sequences
  12. Week Notes 78: An Absurd Novel and The Last Diapers
  13. Lakeshore AVS Spring Sale 2025
  14. Talk: Rates of Change: A Visual Exploration
  15. Overthinking Dates
  16. Braid Conventions
  17. Groups via Generators and Relations
  18. Geek Groups
  19. Open Set: Example 2
  20. Open Set: Example 1
  21. Open Sets: Example 0
  22. Week Notes 77: Tablet-Weaving and Term Tests
  23. Distance from Point to Plane
  24. Multiple Choice Delta-Epsilon
  25. Multiple Choice Open Set Question
  26. Open Box Proof
  27. Flock of Birds Commutation Analysis
  28. Week Notes 76: Test Anxiety
  29. The Quotient Rule Proof
  30. Theoretical Term Test Question about Quotient Rule
  31. Order of Limit Laws
  32. OpenStax S2.3 Q126
  33. Squeeze Theorem of Absolute Value
  34. OpenStax S1.1 Q47: Domain of a Composition
  35. In My Schedule Send Era
  36. ABACABA Structure: Hanoi and Self-Similarity
  37. TBG Fall Sale 2026: Violets and Cacti!
  38. OpenStax S2.3 Q113: Limit Laws
  39. Indeterminate Forms and Secant Slopes
  40. Week Notes 75: Hanoi, The Web, and a Dog with Big Ears
  41. Plane without Point is Open
  42. Inverses of Heart Group Generators
  43. Two Dimensional Limit
  44. A Squeeze Theorem Example
  45. A Jump
  46. Hanoi Clock: Part 1
  47. Week Notes 74: The Start of the Semester Roller Coaster
  48. The Limit Laws: An Application
  49. The Limit Laws
  50. A29 vs B41 Tutorial Structure
  51. Hanoi Seminar 1
  52. X Squared Domain Mapping
  53. Hanoi: Further Lambda Calculations
  54. Hanoi: Lambda Calculations
  55. Week Notes 73: The End of Summer and First Week of Work
  56. Milky Way via Flock of Birds Inverse.
  57. Semester Notes 4: Summer 2026
  58. A29 HW5 Q5 Diagram
  59. Hanoi: Rho Calculations Continued
  60. Hanoi: Rho Calculations
  61. Hanoi: Notation
  62. Using Tags
  63. A29: HW3Q7 Sketch
  64. On Eating Fruit Skins
  65. First Bloom: Eucodonia Adele
  66. Week Notes 72: Back to Writing, Playing Games, and Pumpkins
  67. Iterated Non-Standard Extension: Transferring the Matroid Intersection Theorem
  68. Iterated Non-Standard Extension
  69. Milky Way and Flock of Birds
  70. Week Notes 71: Flock of Birds, Milky Way, and Webpage Jam 2026
  71. Doodle around Flock of Birds and Milky Way
  72. Fixing the zlib luatex mismatch
  73. Week Notes 70: Yay, Toronto!
  74. Week Notes 69: Bridges, Galway, and Dublin
  75. Week Notes 68: Family Camp at NeeKauNis
  76. First Bloom: Primolina Deinostigma
  77. First Bloom: Bristol's Country Sunset
  78. Week Notes 67: Writing, Board Games, and a Birthday
  79. First Bloom: Vallarta Campanas Moradas
  80. Week Notes 66: Driver's Ed, Karate Teeth, and Sage
  81. Week Notes 65: Relatorium Seminar
  82. Talk: The Art of Braiding Algorithms
  83. All Eight Possible Loop Moves
  84. Loop Braid Photo Slide Layout
  85. First Bloom: Bristol's Kitten
  86. Eric's Spurious Relation
  87. Week Notes 64: Camping and A Wedding
  88. On Library Holds
  89. Week Notes 63: Camping and Blog-Post-Fish That Got Away
  90. Thumb Loop Transfers
  91. Week Notes 62: The Last Walk to Kindergarten
  92. Edmonds Matroid Intersection Theorem
  93. Relatorium Outline
  94. Matroids: Greedy Algorithm (Part 5)
  95. Matroids: Greedy Algorithm (Part 4)
  96. Matroids: Greedy Algorithm (Part 3)
  97. Matroids: Greedy Algorithm (Part 2)
  98. Matroids: Greedy Algorithm (Part 1)
  99. Reply: Bloggers, can we make better titles for our posts?
  100. First Bloom: Rob's Vanilla Trail
  101. Week Notes 61: Summer Days, Pool, Final Walks to School
  102. Matroids: Representable
  103. Matroids: Vector Matroids
  104. Matroids: Independent Sets Definition
  105. Re-Fencing The Garden
  106. Toki Pona: jan palaka / Workshop Outline
  107. Week Notes 60: TDSB lay offs, Pagefind, and Fencing
  108. Added Pagefind
  109. Commutator Intuition
  110. Week Notes 59: Beets, Cubes, Dossier, and CMESG
  111. CMESG 2026 Pack List
  112. Of Loops, Braids, and String Figures: The Loopy Calculus of Cat's Cradle
  113. CMESG 2026
  114. Week Notes 58
  115. Dividing Derivatives of Multivariate Functions: Cannot Divide
  116. Dividing Derivatives of Multivariate Functions: Can Divide
  117. How to Build Spot It
  118. Build Spot It (Part 5)
  119. Build Spot It (Part 4)
  120. Build Spot It (Part 3)
  121. Build Spot It (Part 2)
  122. Build Spot-It / Dobble (Part 1)
  123. Digital Magic: An Introduction to Base Systems
  124. Missing Symbols PDF
  125. Tricky ProSet Layout Part 2
  126. Tricky ProSet Layout Part 1
  127. Week Notes 57
  128. $\LaTeX{}$ Lecture Notes Template
  129. Morel Mushroom (Morchella americana)
  130. Why Do You Suck at Juggling?
  131. Week Notes 56
  132. First Bloom: Kohleria
  133. Week Notes 55
  134. Just Hypertexting
  135. Home Ownership Nightmare
  136. Lakeshore AVS Spring Sale 2026
  137. Mira Doodles
  138. Week Notes 54
  139. Magical Isomorphisms
  140. Other People's Music
  141. Gamma Correction
  142. Week Notes 53
  143. Then 2026-04-08
  144. Semester Notes 2: Fall 2025
  145. Semester Notes 3: Winter 2026
  146. Navaho String Games
  147. The Poincare Lemma Intuition
  148. Closed and Exact Forms
  149. Rubik's Cubes and Groups (Part 2)
  150. Rubik's Cubes and Groups
  151. Esperanto Parolata (L'Espérantiste, Novembero 1900)
  152. Loving the Community Center
  153. Pigeonhole Principle and the Dimension Bound Theorem
  154. B42: Two Uses of Symmetry
  155. B42 W2025 Exam Q3: Right Way
  156. B42 W2025 Exam Q3: Wrong Way
  157. Multilinearity of Wedge versus Forms
  158. Week Notes 52: One Year! Woo!
  159. Linear Combinations via Pigeonhole Principle
  160. FAQ: TA Hiring
  161. Pull-Backs of 1-Forms
  162. Flow Lines of F(x,y)=(x,y)
  163. Week Notes 51
  164. W2025 B42 Q6
  165. W2025 B42 Q3a: The Arclength Formula
  166. Calculating a Product of Cycles
  167. Stuff to Google about Symmetry and Permutations
  168. Multiple Choice Questions Strategies: Answer Recognition and Calculation
  169. Term Test 2 Q4: Parametrizing A Complicated Circle
  170. Garden Summer 2026
  171. Week Notes 50
  172. Calculating Permutations
  173. Seedy Saturday 2026
  174. Proteins: Introns and Exons
  175. Week Notes 49
  176. The Ends of A Stick: Boundary Points
  177. Flow Through Parallelograms
  178. Week Notes 48
  179. Avoiding non-nice points.
  180. Finding the inverse of 5 mod 14
  181. Contemplative Computing
  182. Japanese Joinery
  183. Week Notes 46
  184. Week Notes 47
  185. Friendship Fantasies
  186. Chill Posts
  187. A02 MCQ: Which Diophantine Equation Has a Solution? (Solution)
  188. A02 MCQ: Which Diophantine Equation Has a Solution?
  189. Growing Linearly Independent Sets
  190. Fitch-Cheney Offset Values Explained
  191. D92: Koura Commutivity
  192. Schnapsen
  193. Arranging letters of CAT and DAD
  194. Ness's Generalized Cool S
  195. Week Notes 44
  196. Week Notes 45
  197. Cycloid Parametrization
  198. Fejer Kernel has the control property
  199. Undergraduate Seminar: A Place to Sow Seeds
  200. Loop Braid Groups
  201. The Paper Meme: The Fundamental Relations
  202. First Bloom: NK Solaris
  203. Repotting 2026/01/25
  204. Hack: Make PDFs Amber-on-Black
  205. Paper Outline: The Calculus of Loop Manipulations
  206. Ness's Sun-Based Heart Sequence
  207. Week Notes 43
  208. The Sun Heart-Sequence Calculation
  209. Binary Counting: to Decimal
  210. Binary Counting
  211. Solution of Wave Equation with Particular Initial Confitions
  212. Pulling Apart Figures
  213. Week Notes 41
  214. Week Notes 42
  215. Two Favourite Calculus Problems
  216. Word Problems and Groups
  217. Pointwise vs Uniform Convergence
  218. A02 MCQ: Uniqueness
  219. A02 MCQ: Possible definitions of the naturals
  220. FAQ: Memorization
  221. Multiple Choice Related to Sum of 1+2+3+...+n
  222. Sum of 1+2+3+...+n
  223. Fourier Polynomials
  224. Anki

2025 132

  1. Week Notes 40
  2. The Folk Process and Yahtzee
  3. Week Notes 39
  4. Mira and Math
  5. Riemann Sums / Area: Winter 2025: Part 3
  6. Riemann Sums / Area: Winter 2025: Part 2
  7. Riemann Sums / Area: Winter 2025: Part 1
  8. Week Notes 38
  9. Supporting A Departmental Culture of Undergraduate Research
  10. Riemann Sum: 1 + 2x
  11. OpenStax V2 S3.1 Q28
  12. Nick's 1xn Puzzle: Flow Chart for State
  13. Filling Radius and Induced Map on Homology
  14. Volume under Exponential Parabola Train Track
  15. Nick's Coin Flipping Puzzle 1x3
  16. Curve sketch for trigonometry.
  17. Curve sketch for polynomial.
  18. Change of Variables and Area
  19. Example of Substitution
  20. Summary of Anti-Derivatives
  21. Week Notes 37
  22. Brokhos: Heart Sequence Analysis
  23. The Doubling Digits Magic Trick
  24. Week Notes 36
  25. Alexander's Theorem
  26. Braiding Doodles
  27. The Weird Sum of Absolte Values Example
  28. Week Notes 35
  29. Talk: Braiding on Computers
  30. Constrained Optimization and Parametrization: Paths c1 and c2
  31. Constrained Optimization and Parametrization
  32. Polishing Up LaTeX2HTML
  33. Week Notes 34
  34. Mathematical Logic: Compactness and Colourability
  35. Outline: Loop Groups and Loop Braiding
  36. Largest Rectangle in Ellipse
  37. Three Kinds of Graphs: Empirical Data
  38. Three Loop Four Ridge Tubular Braid (L2 R1): Follow the Score (Part 1)
  39. Three Loop Four Ridge Tubular Braid (L2 R1): Overlapped Tracks + Strand Orbit
  40. Three Loop Four Ridge Tubular Braid (L2 R1)
  41. Week Notes 33
  42. Term Test 1 Q2: Transformation of Graphs
  43. Q17 S4.1 Related Rates: Cube
  44. Complex Exponential Locally
  45. Multivariable Chain Rule
  46. Braids: Track Plan from Braid Word (Slightly Broken Example)
  47. Week Notes 32
  48. Hessian Matrix Inconclusive at Global Minimum
  49. Biggest Rectangle Under Parabola Part 2
  50. Biggest Rectangle Under Parabola Part 1
  51. Applying to Grad School (Part 2)
  52. Applying to Grad School (Part 1)
  53. Undefined Critical Points Exist!
  54. Derivatives and Gradients
  55. Week Notes 31
  56. Week Notes 30
  57. Week Notes 29
  58. Week Notes 28
  59. Semester Notes 1: Summer 2025
  60. Week Notes 27
  61. Week Notes 26
  62. Multi-Timer Gizmo
  63. Week Notes 25
  64. Speiser and Collingwood: Two Encyclopedic Tomes
  65. Week Notes 23
  66. Week Notes 24
  67. Re: What's in My Pocket Friday - 2025-07-18
  68. Week Notes 22
  69. Euler's Identity
  70. Week Notes 21
  71. La Nudelmanĝanto
  72. Outside Any Language
  73. Week Notes 20
  74. Re: What's in My Pocket Friday 2025-07-03
  75. Week Notes 19
  76. Tri-Campus Mathematics Education Meeting 2025
  77. Prove The Fundamental Theorem First!
  78. Week Notes 18
  79. Reply: Tell Me About Your Favorite Tree
  80. What Is the Process?
  81. Week Notes 17
  82. Biography
  83. Espace Mathématique Francophone (EMF) 2025
  84. Week Notes 16
  85. Faulhaber Polynomials
  86. Week Notes 15
  87. Week Notes 14
  88. Bookmarklet: Quote to Markdown
  89. First Bloom: Jolly Orchid
  90. TBG Spring Sale 2025
  91. Week Notes 13
  92. Week Notes 12
  93. One Dish One Spoon Retreat 2025
  94. Week Notes 11
  95. To-Do Lists
  96. Integration in Finite Terms
  97. Teaching and Blogging Praise
  98. Week Notes 10
  99. Hokusai Diras
  100. Extracting a Particular Email
  101. Sorting Exam Papers
  102. Week Notes 9
  103. How to Self Study Machine-Learning
  104. Excited About the Internet
  105. Week Notes 8: Last Week of Term
  106. Sundials
  107. Week Notes 7: Almost at the end of term!
  108. 2025-03-26 @ 11:52:04
  109. Week Notes 6
  110. Canadian Friend: On Belonging
  111. String Figure: Two Loop Apache Door
  112. Week Notes 5
  113. String Figure: Andromeda Galaxy
  114. Kangaroo Volunteer Training
  115. Week Notes 4
  116. Week Notes 3
  117. Arviligjuarmiut String Figures
  118. Bunk (String Figure)
  119. Iceberg Website
  120. Week Notes 2
  121. Deer Remains on the Walk In
  122. A Village From Spare Parts
  123. First Bloom: Pinky
  124. Week Notes 1
  125. Identity and Approximation
  126. Flor De Palo Borracho
  127. Pedagogy Group Reflection: Reading and Writing in the Disciplines
  128. A Circular Braid
  129. Shaking Out My Cardfile: Heart Group Relations
  130. 100 Year Old Books in Esperanto
  131. Trust the Process
  132. CMS-henge

2024 61

  1. Mira Scribbles
  2. Eongatubabo
  3. First Bloom: Rob's Zipper Zapper
  4. The Coolest Book Shelf in the World
  5. Hodgkin Preparation for Worship
  6. First Bloom: Little Pro
  7. Messy Church and Meeting
  8. Plant Diary Question
  9. Fitness Reading
  10. Pedagogy Group Reflection
  11. Topics of Interest
  12. Photographing Braids
  13. Three Loop Braids
  14. One Handed Loop Braiding the Trinity
  15. Highland Creek Gurgle
  16. A Buck on the Ride In
  17. Complicated Relation Follow Up
  18. Feeling Braid-y
  19. The Complicated Twist and Pass Relation
  20. 2024-10-05 @ 10:35:09
  21. 2024-10-04 @ 16:25:56
  22. Re-Potted Some Strawberry Trailers
  23. A Very Quick Blog Post
  24. African Violet Fall Sale 2024
  25. MathEd Forum September 2024
  26. Braid Puzzle
  27. They Don't Write 'Em Like They Used to: Artin (1947)
  28. A Bit of Loop Braiding
  29. Writing Ritual
  30. Literate Programming
  31. Noweb
  32. LaTeX Best Practices
  33. Make a Useful Phone Lock Screen
  34. Take Little Kids to Memorial Meetings
  35. The Cost
  36. Accidental Games
  37. Travel Day of Rest
  38. Mathematical Experiences
  39. Gem
  40. Unread Library Books
  41. Doctor Says "Yes!" and A Flooded Basement
  42. ROM Louhan
  43. Sunflower
  44. Video Recording Lectures
  45. On The Superabundance of Nature
  46. Probationary Review Dossier
  47. Latex Manuscript Mode
  48. Mass Download From Lillio
  49. docfill: An Inverse of docstrip
  50. Course Evaluation Data Formatting
  51. Student Websites
  52. Pack Lists
  53. My Paper Ecosystem
  54. Advice for New Teachers
  55. The Loop Manipulation Group
  56. REF 2024 Trip Report
  57. The Sine X Button
  58. The Loop List
  59. Overthinking Blogging
  60. Common LaTeX Errors
  61. Infinite Limits in Python

2023 22

  1. Course Preparation To-Do List
  2. Bible Reading
  3. Reading RSS with newsboat and sfeed
  4. Meta Blogging
  5. The Kruskal-Dynkin Count
  6. 2023-10-16 @ 09:13:37
  7. Penpals
  8. Screen Free Writing With the Alphasmart
  9. TTY Setup
  10. Juggling
  11. The Meta Question
  12. 2023-05-05 @ 16:35:41
  13. Sabbatical
  14. Physical Fitness
  15. Sustainable Assessment Design
  16. Advice for Students
  17. Math Kangaroo 2023 Walk In
  18. Weekly Checklist
  19. Math Opportunities Around UToronto
  20. Go Walk Mathematics
  21. Writing for Large Classes With Docstrip
  22. It Is Okay to Not Grok Vim

2022 6

  1. Puzzles
  2. About the Office Camera
  3. Backup System
  4. PTR Document Management
  5. Office Plants
  6. Recommended Reading

2021 3

  1. What I Know About Academic Job Searches
  2. Alan Lakein Life Goals Exercise
  3. Garden

2018 1

  1. Divide and Conquer Extension

2014 1

  1. An Asynchronous Zendo Variant

2013 3

  1. Catchup
  2. Learning Games at RedFish BlueFish Creative Cafe
  3. A very close game of Catchup.

2012 14

  1. Zendo: The Game of Science
  2. 2012 10 13 raj
  3. My Gaming Goal
  4. 2012 09 14 500
  5. 2012 09 13 rummy
  6. Tablanette
  7. 10 000
  8. Cribbage
  9. Oddball
  10. Yahtzee
  11. Entropy
  12. Entropy meets the Domino Bead Game
  13. Homeworlds (Two Player Version)
  14. Why not Y?

2011 3

  1. Thinking in a game -- Over the Board vs Online
  2. 2011 09 09 pig
  3. 2011 08 25 cinq o

Undated 285

  1. Samira's Braid Word
  2. The Box is Open
  3. Open Sets
  4. Derivative as Linear Transformation
  5. Normal vs Boundary Points
  6. A New Four Strand Braid
  7. Twists: Braid Word to Track Plan
  8. Twists: Track Plan to Braid Word
  9. Domain of Square Root of Polynomial
  10. Braiding Presentation Notes
  11. Drawing A Slope
  12. Sliding Block Puzzles: A Simple Configuration Space and Gluing
  13. Sliding Block Puzzles: The Sphere Problem
  14. OS 3.2 Q 93 Rate of Change of Grade as a Function of Studying
  15. Working Backwards from a Limit to a Derivative
  16. Fractions and Derivatives
  17. Derivatives: Secant Lines
  18. Derivatives
  19. Absolute Value: |x| by x (Part 2)
  20. Absolute Value: |x| by x
  21. Absolute Value
  22. B41: John's Example of f(c(t))
  23. S3.5 Q183: Quotient Rule
  24. S3.6 Q223: Chain Rule
  25. Presenting Groups: Klein Four
  26. Plane without A Point Is Open
  27. The Open Ball Is Open
  28. Braiding Course: To-Do List
  29. Finding a Range Algebraically
  30. B41 HW 3 Q4
  31. Limit setup for products and quotients
  32. Plane without point is open.
  33. Open Sets, Balls, and A Strip
  34. Infinitely Many Paths and Limits
  35. Instantaneous and Average Rate of Change
  36. Bone Marrow Formula
  37. Complex Numbers
  38. Algebra Heavy Range of A Rational Function
  39. A29: Limit Laws
  40. A29: Limits
  41. A29: Homework 2 Q 6
  42. Range of y=1/sqrt(x-3)
  43. Range of y=1/(x-3)
  44. B41 Homework 1 Q1
  45. A29 Homework 1 Q10
  46. A29 Homework 1 Q9
  47. Calculator Free Life
  48. Five Loop Four Ridge Tubular Braid Track Plan
  49. The Standard 3-Strand Braid and Its Track Plan
  50. Braids: From Trefoil to Braid
  51. Group Theory: The Logarithm Homomorphism
  52. Group Theory: What Does a Homomorphism Do?
  53. Group Theory: From Braids to Permutations
  54. Group Theory: Partial Group Table for S3
  55. Group Theory: Permutations Part 2
  56. Group Theory: Permutations Part 1
  57. Braids and Robots: Two Project Ideas
  58. The Forgetting Curve
  59. Groups and Braids: Possible Projects?
  60. Groups and Braids: Artin's Relations
  61. Groups and Braids: Generating Sets of B_3
  62. Groups and Braids: Multiplication and Identity
  63. Groups and Braids
  64. Iterated involutes and sin(x)
  65. Closed but not exact form on the plane without the origin. (Part 2)
  66. Closed but not exact form on the plane without the origin.
  67. An Inverse as a Product
  68. When Diagonalization Based on a Relation Fails
  69. Riemann Sums
  70. Substitution (Example 2)
  71. Substitution (Example 1)
  72. Any three vectors in two-dimensional space are dependent.
  73. Dror Bar-Natan
  74. Geometric and Algebraic Multiplicity Part 2
  75. Geometric and Algebraic Multiplicity Part 1
  76. Ideal Distribution
  77. Exam Study Algorithm
  78. Distinct Eigenvalues Proof
  79. Matrices and Transformations
  80. Diagonalization of 2x2
  81. Equitorial Dial: Step 1
  82. B42 TT1 Q4
  83. Generalized Stokes Theorem on A Box (Part 2)
  84. Generalized Stokes Theorem on A Box (Part 1)
  85. MAT B42: HW 2 Q 2
  86. MAT B42: HW 4 Q 3
  87. Sundials and Equinoxes
  88. 2025 03 20t14c35c01 04c00
  89. Two Notions of Orientation
  90. Extending a Indep Set to a Basis
  91. Substitution: Changing Bounds
  92. Substitution
  93. Determinant, Volume, and Collapse
  94. B42: Integral over Sphere Meets Plane: Paco's Fix
  95. B42: Integral over Sphere Meets Plane: Approach II (Tilt 1)
  96. B42: Integral over Sphere Meets Plane: Approach II
  97. B42: Integral over Sphere Meets Plane via Symmetry
  98. A29: Two Busses Diagram
  99. A22: Colourful Basis of a Linear Transformation (Part 2)
  100. A22: Colourful Basis of a Linear Transformation
  101. Cups and Caps
  102. Flow Lines of F(x,y) = (x,y)
  103. Fundamental Theorem of Matrices
  104. A vector in two bases. Scalars and vectors.
  105. Dimension of R2
  106. Cycloid Parametrization
  107. Complex Third Roots
  108. Domain and Range Overview
  109. Boolean Fourier
  110. Geodesics
  111. Riemann Sums
  112. Eric's O.M and O.N Relation
  113. Tropical Numbers
  114. Draft MAT A22 Syllabus Winter 2025
  115. Riemann sum for y = pi
  116. Vanilla Siteswap and Ladder Diagrams
  117. Todo list: MAT B41
  118. The Plane Without A Finite Set of Points Is Open
  119. The Correct Way to Do Taylor
  120. B41 Practice Midterm Q7
  121. Level curves: ellipse
  122. Level curves
  123. Nick's Curve Question
  124. MAT A29 Practice Test #1 Q5b
  125. Back Online!
  126. Notebook and Image File Structure
  127. The Spacing Effect
  128. MAT A29 Course Layout
  129. Sabbatical
  130. Loop Manipulation Generators
  131. The Braid Group
  132. Loop Manipulation Nomenclature
  133. The Calculus of Heart Sequences: Passing a Loop Through and Returning It
  134. The Calculus of Heart Sequences
  135. Bessel's Inequality
  136. The Heart Group as A Subgroup of B_{2n}
  137. Mira Doodles: Part II
  138. Mira Doodles: vvbnm,,.//
  139. Yulong's Braid Word Reduction
  140. From Markov to A Heart Sequence Redux
  141. Family Halloween
  142. Paco: Terms from Graphics Programming / Half-Second Star
  143. Yulong's O.A Construction
  144. Alfredo's Opening A
  145. Yulong's Wrapped L1
  146. From a Markov Sequence to a Heart Sequence
  147. Alexander and Markov's Theorems
  148. D92: Possible Projects
  149. D92: Possible Projects
  150. The Heart Groupoid and String Figures Calculus
  151. Duck and Dog: The Dog's Strategy
  152. Formal Grammar for Linear Sequences and Calculus
  153. Fake Crossings in Knots
  154. Putnam B4 2005
  155. When to apply for gradschool or jobs?
  156. Juggling State Machine
  157. Dedekind Cuts and Completeness of R
  158. Ideals and Principal Ideals: Are all ideals in Z[x,y] actually principal?
  159. Ideals and Principal Ideals: Are all ideals in Z actually principal?
  160. Ideals and Principal Ideals
  161. How does string figure calculus act on linear sequences?
  162. Nim Winning Strategy Lemmas
  163. Nim Playing (4,3,0,1) Part 1
  164. Nim and Nimbers
  165. Canonical Start of A Linear Sequence
  166. To-do list stuff
  167. Mira colours!
  168. Adding Nimbers
  169. XOR and Nimbers
  170. Boxes and Spheres in n-Dimensional Space
  171. Zombies vs Humans (via Diagonalization)
  172. Lives vs the Universe
  173. Attitude, Skills, Knowledge
  174. CN Tower Stair Climb Times
  175. Diagonalizing Transposition (Part 2)
  176. Diagonalizing Transposition (Part 1)
  177. The Matrix of Transposition
  178. Projections are Never Invertible
  179. Transpose a Matrix
  180. The Smallest Vectors with Integer Entries
  181. Nilpotent Transformations Are Not Invertible
  182. Diagonalize T(p(x)) = (x+1)p'(x) Part 2
  183. Diagonalize T(p(x)) = (x+1)p'(x) Part 1
  184. Diagonalize T(x,y) = (x,x)
  185. Diagonalization and Invertibility
  186. Diagonalization and Powers
  187. Eigenvectors and Linear Independence
  188. Linear System with Prescribed Solution Set
  189. Changing Coords TO the Standard Basis
  190. MathEd vs Math Researcher Career Trajectories
  191. A22 Final Exam Draft
  192. A Quarter of an Annulus
  193. The Idea of a Surface Integral
  194. Square Wave Setup
  195. Dimension of the Space of nxn Skew Matrices
  196. Dimension of the Space of nxn Symmetric Matrices
  197. The Null Space as a Linear System
  198. Finding a System with a Particular Solution Set (Part 2)
  199. Finding a System with a Particular Solution Set (Part 1)
  200. Subspaces / Image / Kernel / Bases (Part 6)
  201. Subspaces / Image / Kernel / Bases (Part 5)
  202. Subspaces / Image / Kernel / Bases (Part 4)
  203. Subspaces / Image / Kernel / Bases (Part 3)
  204. Subspaces / Image / Kernel / Bases (Part 2)
  205. Subspaces / Image / Kernel / Bases (Part 1)
  206. Subspaces and Their Sums (Part 6)
  207. Subspaces and Their Sums (Part 5)
  208. Subspaces and Their Sums (Part 4)
  209. Subspaces and Their Sums (Part 3)
  210. Subspaces and Their Sums (Part 2)
  211. Subspaces and Their Sums (Part 1)
  212. Reading Week A22 Todo
  213. Hello Twitter!
  214. Malhar's Puzzle
  215. Linear Independence Calculation
  216. Dimension Examples
  217. Why do we care about the extension lemma?
  218. The Fastest Intro to Derivatives
  219. Missing a Span: The Details
  220. Hitting and Missing a Span
  221. Visualizing F(R)
  222. sin(x) and cos(x) in the space of functions
  223. MAT A22 Term Test Content (draft)
  224. In Shuffles and Out Shuffles
  225. A System with a Particular Solution Set
  226. Puzzle: Sum of Reciprocals (continued)
  227. Proof Structure
  228. Puzzle: Sums of Reciprocals
  229. Practice Quiz 1 Q2 : sin(x), sin(2x), sin(3x) : Solving the Linear System
  230. Practice Quiz 1 Q2 : sin(x), sin(2x), sin(3x)
  231. A linearly dependent set
  232. A22: Proofs in A22 (Part 3): A Worked Proof
  233. A22: Proofs in A22 (Part 2)
  234. A22: Proofs in A22 (Part 1)
  235. The (0,2n+1) Puzzle
  236. Rows and Columns in Elimination
  237. Rows and Columns in Elimination
  238. Dihedral calculator: sts
  239. Partial fractions with repeated factor
  240. My friend Hooman
  241. Partial fractions (x^2+4)/(x^2-4) and (2x+1)/(x+4)(x-1)
  242. Does the integral of e^{-x^2} from x=1 to x=infty converge?
  243. Convergence and Divergence
  244. Integration by parts
  245. Area bounded by y=6 - x^2 and y = |x|
  246. Pre-Exam To-Do
  247. Jordan Form and Organization
  248. MAT A29 Exam Coverage
  249. Volume in Conical Tank at t = 5 min
  250. Plan for Final Exam Study
  251. Backup System Flowchart
  252. MAT B41 Exam Coverage (Draft)
  253. A Designer Graph
  254. 2022 11 21t09c11c20 05c00
  255. Fitch Cheney Ordering
  256. Alex Teeter: Manifolds
  257. Test of new office-camera
  258. Mira draws!
  259. Optimization Doodles and Dave's Amazing Summation (Redo)
  260. The (Boring) Structured Essay
  261. Taylor Series: The True Formula (Multi-Indices)
  262. Taylor Series B41
  263. Leibniz Notation (Part 6)
  264. Leibniz Notation (Part 5)
  265. Leibniz Notation (Part 4)
  266. Leibniz Notation (Part 3)
  267. Leibniz Notation (Part 2)
  268. Leibniz Notation (Part 1)
  269. Chain and Power Rule
  270. Probability of (Mentally) Choosing a Card
  271. End of Reading Week To-Do
  272. Reading Week Todo
  273. Solving 2/x - 9 greater than 0
  274. Level Curves of Planes
  275. Composition of sqrt(x) and x+9
  276. Range of x/(x^2-16)
  277. Knots and 3-Manifolds
  278. 3b and 4b siteswaps
  279. Tic-Tac-Tree (Induction)
  280. Testing?
  281. Tic-Tac-Tree
  282. 2022 / 08 / 23 @ 10:06:16
  283. ES Potential for 4^2 (with monotonicity)
  284. ES-Potential for 4^2
  285. A22 Term Test 1 Attendance Numbers