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Mathematics of Paula Tretkoff (nee Beazley Cohen)
Mathematics of Paula Tretkoff (nee Beazley Cohen)
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MathBites in Alphabetical Order: click on an entry to access

  • Abstract Group, April 12, 2018
  • Algebraic Number, April 7, 2018
  • Binomial Coefficient, May 2, 2018
  • Binomial Expansion, May 4, 2018
  • Catalan's Conjecture (solved!), April 26, 2018
  • Complex Conjugate, August 27, 2019
  • Composite Number, April 16, 2018
  • Continuity, May 9, 2019
  • Counting all Subsets of a Set, May 5, 2018
  • Counting Subsets missing an Element, April 30, 2018
  • Counting Subsets of "k" Elements, May 5, 2018
  • Counting Subsets with 1 Element, May 1, 2018
  • Counting Subsets with 2 Elements, May 1, 2018
  • Counting the Ways to form a Line, May 3, 2018
  • Counting 3 Scoops of 7 Flavors, May 1, 2018
  • Counting Triples; Subsets of 3 Elements, May 1, 2018
  • Cube Roots of "1," August 24, 2019
  • Cycle in a Permutation Group, September 30, 2018.
  • Derivative of a Function, June 28, 2019.
  • Direct Proof, July 13, 2018
  • Element of a set, April 15, 2018
  • Epsilon-Delta Definition, May 15, 2019
  • Equivalence Relation, July 25, 2018
  • Euler's Constant, April 25, 2018
  • Fermat's Last Theorem, April 25, 2018
  • Fibonacci Numbers, May 9, 2018
  • Fibonacci Numbers and Rabbits, May 30, 2018
  • Fibonacci Numbers and the Golden Ratio, May 10, 2018
  • Fibonacci versus Lucas, May 11, 2018
  • Fibonacci versus Lucas, again!, May 20, 2018
  • Field of Rational Numbers, January 19, 2019
  • Field of Complex Numbers, August 28, 2019
  • Function, April 14, 2018
  • Golden Ratio, May 7, 2018
  • Graph of a Line, May 11, 2019
  • Graph of a Function, May 10, 2019
  • Integer, April 7, 2018
  • Integers: Commutative Ring under (+,X), January 14, 2019
  • Integers: Group under +, April 10, 2018
  • Integers, not a Group under x, April 12, 2018
  • Integers mod m: Ring under (+ mod m, X mod m), January 17, 2019
  • Line (ℝ) & Plane (ℝ²), August 30, 2019
  • Linear equation in xy-plane, May 14, 2019
  • Lucas Numbers, May 11, 2018
  • Lucas Numbers and the Golden Ratio, May 19, 2018
  • Modular Arithmetic, January 12, 2018
  • Natural Number, April 7, 2018
  • Natural Numbers don't form a Group under +, April 12, 2018
  • Non-Commutative Operation, April 13, 2018
  • Order of a Group, October 28, 2018
  • Order of a group element, October 29, 2018
  • Ordering (partial), December 20, 2018
  • Ordering (total), December 21, 2018
  • Ordering (well-ordering), December 23, 2018
  • Paradox, July 8, 2018
  • Parity of a Permutation, October 3, 2018
  • Partial Ordering, December 20, 2018
  • Permutation, August 1, 2018
  • Permutation (Symmetric) Group, September 26, 2018
  • Polynomial with Integer Coefficients, April 7, 2018
  • Prime Number, April 17, 2018
  • Primes: Euclid's Lemma, April 17, 2018
  • Primes: Goldbach Conjecture, April 18, 2018
  • Primes have trivial Factorization, April 18, 2018
  • Primes and unique Factorization, April 18, 2018
  • Primes: infinitely many, April 18, 2018
  • Prime Number Theorem, April 22, 2018
  • Proof by Contradiction, July 7, 2018
  • Proof by Induction, July 12, 2018
  • Quantifiers, July 6, 2018
  • Prime Twin, April 19, 2018
  • Rational Numbers: Group under +, April 12, 2018
  • Rational Numbers: Group under x, April 12, 2018
  • Rational Numbers: Field under (+,X), January 19, 2019
  • Real and Complex (Imaginary) Numbers, August 26, 2019
  • Real Plane = Complex Numbers, October 6, 2019
  • Reflexive Relation, July 18, 2018
  • Relation, July 14, 2018
  • Relation (Equivalence), July 25, 2018
  • Ring of Integers, January 14, 2019
  • Ring of integers mod m, January 17, 2019
  • Sets and Subsets, April 15, 2018
  • Set of no Elements (Empty Set), April 28, 2018
  • Slope of a Line, June 12, 2019
  • Slopes of the x- and y-axes, June 21, 2019
  • Square Roots and Radicals, July 13, 2019
  • Square Roots of "1," August 23, 2019
  • Symmetric Relation, July 23, 2018
  • Tangent Line to a Function, June 25, 2019
  • Total Ordering, December 21, 2018
  • Transcendental Number, January 11, 2020
  • Transcendental Powers, April 27, 2018
  • Transitive Relation, July 24, 2018
  • Vector Addition, October 13, 2019
  • Vectors in the Real Plane, October 10, 2019
  • Well-Ordering, December 23, 2018


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