((:date "2021-03-05 15:30"
  :slug "iant"
  :topic "Sections 1.1-1.3: Pages 13-16: Principle of Induction; Divisibility"
  :duration 40
  :members 4)
 (:date "2021-03-06 10:00"
  :slug "iant"
  :topic "Section 1.1: Page 13: Principle of induction (Recap)"
  :duration 40
  :members 5)
 (:date "2021-03-07 10:00"
  :slug "iant"
  :topic "Sections 1.2: Page 14: Divisibility (Recap)"
  :duration 40
  :members 5)
 (:date "2021-03-08 18:00"
  :slug "iant"
  :topic "Sections 1.2-1.3: Pages 14-16: Divisibility, GCD"
  :duration 40
  :members 6)
 (:date "2021-03-09 18:00"
  :slug "iant"
  :topic "Sections 1.4-1.5: Pages 16-18: Prime numbers, Fundamental theorem of arithmetic "
  :duration 40
  :members 10)
 (:date "2021-03-10 18:00"
  :slug "iant"
  :topic "Section 1.6: Pages 18-19: The series of reciprocals of primes"
  :duration 40
  :members 10)
 (:date "2021-03-11 18:00"
  :slug "iant"
  :topic "Sections 1.7-1.8: Pages 19-21: The Euclidean algorithm, GCD of more than two numbers"
  :duration 40
  :members 11)
 (:date "2021-03-12 18:00"
  :slug "iant"
  :topic "Sections 2.1-2.2: Pages 24-25: The Möbius function \\( \\mu(n) \\)"
  :duration 40
  :members 9)
 (:date "2021-03-14 09:00"
  :slug "iant"
  :topic "Sections 2.1-2.2: Pages 24-25 (Recap)"
  :duration 40
  :members 5)
 (:date "2021-03-15 18:00"
  :slug "iant"
  :topic "Sections 2.3-2.4: Pages 25-27: The Euler totient function \\( \\varphi(n), \\) A relation connecting \\( \\varphi \\) and \\( \\mu \\)"
  :duration 40
  :members 12)
 (:date "2021-03-16 18:00"
  :slug "iant"
  :topic "Sections 2.5-2.6: Pages 27-30: A product formula for \\( \\varphi(n), \\) The Dirichlet product of arithmetical functions"
  :duration 40
  :members 14)
 (:date "2021-03-17 18:00"
  :slug "iant"
  :topic "Sections 2.7-2.8: Pages 20-33: Dirichlet inverses and the Möbius inversion formula, The Mangoldt function \\( \\Lambda(n) \\)"
  :duration 40
  :members 12)
 (:date "2021-03-18 18:00"
  :slug "iant"
  :topic "Section 2.7-2.8: Pages 20-33 (Recap)"
  :duration 40
  :members 10)
 (:date "2021-03-19 18:00"
  :slug "iant"
  :topic "Sections 2.9-2.10: Pages 33-36: Multiplicative functions, Multiplicative functions and Dirichlet multiplication"
  :duration 40
  :members 9)
 (:date "2021-03-22 18:00"
  :slug "iant"
  :topic "Sections 2.11-2.13: Pages 36-39: The inverse of a completely multiplicative function, Lioville's function \\( \\lambda(n), \\) The divisor functions \\( \\sigma_{\\alpha}(n) \\) "
  :duration 40
  :members 10)
 (:date "2021-03-23 18:00"
  :slug "iant"
  :topic "Section 2.14: Pages 39-40: Generalized convolutions"
  :duration 40
  :members 12)
 (:date "2021-03-24 18:00"
  :slug "iant"
  :topic "Section 2.15: Pages 41-42: Formal power series"
  :duration 30
  :members 11)
 (:date "2021-03-25 18:00"
  :slug "iant"
  :topic "Sections 2.16-2.17: Pages 42-45: The Bell series of an arithmetical function, Bell series and Dirichlet multiplication"
  :duration 40
  :members 10)
 (:date "2021-03-26 18:00"
  :slug "iant"
  :topic "Sections 2.18-2.19: Pages 44-46: Derivatives of arithmetical functions, The Selberg identity"
  :duration 40
  :members 10)
 (:date "2021-03-29 18:00"
  :slug "iant"
  :topic "Sections 3.1-3.3: Pages 52-55: The big oh notation, Euler's summation formula"
  :duration 40
  :members 11)
 (:date "2021-03-30 18:00"
  :slug "iant"
  :topic "Section 3.4: Pages 55-57: Some elementary asymptotic formulas"
  :duration 40
  :members 12)
 (:date "2021-03-31 18:00"
  :slug "iant"
  :topic "Section 3.5: Pages 57-59: The average order of \\( d(n) \\)"
  :duration 40
  :members 12)
 (:date "2021-04-02 18:00"
  :slug "iant"
  :topic "Section 3.6: Pages 60-61: The average order of the divisor functions \\( \\sigma_{\\alpha}(n) \\)"
  :duration 40
  :members 12)
 (:date "2021-04-05 18:00"
  :slug "iant"
  :topic "Section 3.7: Pages 61-62: The average order of \\( \\varphi(n) \\)"
  :duration 40
  :members 11)
 (:date "2021-04-06 18:00"
  :slug "iant"
  :topic "Sections 3.8-3.10: Pages 62-65: An application to the distribution of lattice points visibile from the origin, The average order of \\( \\mu(n) \\) and of \\( \\Lambda(n), \\) The partial sums of a Dirichlet product"
  :duration 40
  :members 11)
 (:date "2021-04-07 18:00"
  :slug "iant"
  :topic "Section 3.11: Pages 66-69: An application to the distribution of lattice points visibile from the origin, The average order of \\( \\mu(n) \\) and of \\( \\Lambda(n), \\) The partial sums of a Dirichlet product"
  :duration 40
  :members 10)
 (:date "2021-04-09 18:00"
  :slug "iant"
  :topic "Section 3.12: Pages 69-70: Another identity for the partial sums of a Dirichlet product"
  :duration 30
  :members 9)
 (:date "2021-04-12 18:00"
  :slug "iant"
  :topic "Sections 4.1-4.2: Pages 74-76: Cheybyshev's functions \\( \\psi(x) \\) and \\( \\vartheta(x) \\)"
  :duration 40
  :members 8)
 (:date "2021-04-12 18:00"
  :slug "iant"
  :topic "Sections 4.1-4.2: Pages 74-76: Cheybyshev's functions \\( \\psi(x) \\) and \\( \\vartheta(x) \\)"
  :duration 40
  :members 8)
 (:date "2021-04-20 18:00"
  :slug "iant"
  :topic "Sections 4.3: Pages 76-79: Relations connecting \\( \\vartheta(x) \\) and \\( \\pi(x) \\) (Abel's identity)"
  :duration 40
  :members 7)
 (:date "2021-04-21 18:00"
  :slug "iant"
  :topic "Section 4.4: Pages 79-80: Some equivalent forms of the prime number theorem (Theorem 4.4)"
  :duration 40
  :members 7)
 (:date "2021-04-22 18:00"
  :slug "iant"
  :topic "Section 4.4: Pages 80-82: Some equivalent forms of the prime number theorem (Theorem 4.5)"
  :duration 40
  :members 9)
 (:date "2021-04-26 18:00"
  :slug "iant"
  :topic "Section 4.5: Pages 82-84: Inequalities of \\( \\pi(n) \\) and \\( p_n \\) (Theorem 4.6)"
  :duration 40
  :members 9)
 (:date "2021-04-27 18:00"
  :slug "iant"
  :topic "Section 4.5: Pages 84-85: Inequalities of \\( \\pi(n) \\) and \\( p_n \\) (Theorem 4.7)"
  :duration 40
  :members 9)
 (:date "2021-04-28 18:00"
  :slug "iant"
  :topic "Sections 4.6-4.7: Pages 85-89: Shapiro's Tauberian theorem"
  :duration 40
  :members 8)
 (:date "2021-04-29 18:00"
  :slug "iant"
  :topic "Section 4.8: Pages 89-91: An asymptotic formula for the partial sums \\( \\sum_{p \\le x} (1/p) \\)"
  :duration 40
  :members 8)
 (:date "2021-04-30 18:00"
  :slug "iant"
  :topic "Section 4.9: Pages 91-94: The partial sums of the Möbius function (Theorems 4.13-4.14)"
  :duration 40
  :members 8)
 (:date "2021-05-03 18:00"
  :slug "iant"
  :topic "Section 4.9: Pages 94-97: The partial sums of the Möbius function (Theorem 4.15)"
  :duration 40
  :members 7)
 (:date "2021-05-05 18:00"
  :slug "iant"
  :topic "Section 4.9: Pages 97-98: The partial sums of the Möbius function (Theorem 4.16)"
  :duration 40
  :members 7)
 (:date "2021-05-06 18:00"
  :slug "iant"
  :topic "Sections 5.1-5.2: Pages 106-110: Definition and basic properties of congruences, Residue classes and complete residue systems"
  :duration 40
  :members 5)
 (:date "2021-05-07 18:00"
  :slug "iant"
  :topic "Section 5.3: Pages 110-113: Linear congruences"
  :duration 40
  :members 9)
 (:date "2021-05-11 18:00"
  :slug "iant"
  :topic "Section 5.4: Pages 113-114: Reduced residue systems and the Euler-Fermat theorem"
  :duration 40
  :members 10)
 (:date "2021-05-12 18:00"
  :slug "iant"
  :topic "Sections 5.5-5.6: Pages 114-116: Polynomial congruences modulo \\( p, \\) Lagrange's theorem, Applications of Lagrange's theorem (Wilson's theorem)"
  :duration 40
  :members 10)
 (:date "2021-05-13 18:00"
  :slug "iant"
  :topic "Sections 5.6-5.7: Pages 116-118: Wolstenholme's theorem, The Chinese remainder theorem"
  :duration 40
  :members 11)
 (:date "2021-05-14 18:00"
  :slug "iant"
  :topic "Section 5.8: Pages 118-120: Applications of the Chinese remainder theorem"
  :duration 40
  :members 9)
 (:date "2021-05-19 18:00"
  :slug "iant"
  :topic "Section 5.9: Pages 120-122: Polynomial congruences with prime power moduli"
  :duration 40
  :members 8)
 (:date "2021-05-20 18:00"
  :slug "iant"
  :topic "Section 5.10: Pages 123-124: The principle of cross-classification (Theorem 5.31)"
  :duration 40
  :members 8)
 (:date "2021-05-21 18:00"
  :slug "iant"
  :topic "Sections 5.10-5.11: Pages 124-126: The principle of cross-classification (Theorem 5.32), A decomposition property of reduced residue system"
  :duration 40
  :members 7)
 (:date "2021-05-25 18:00"
  :slug "iant"
  :topic "Sections 6.1-6.3: Pages 129-131: Definitions, Examples of groups and subgroups, Elementary properties of groups"
  :duration 40
  :members 12)
 (:date "2021-05-26 18:00"
  :slug "iant"
  :topic "Section 6.4: Pages 131-133: Construction of subgroups"
  :duration 40
  :members 11)
 (:date "2021-05-27 18:00"
  :slug "iant"
  :topic "Sections 6.5-6.6: Pages 133-136: Characters of finite abelian groups, The character group"
  :duration 40
  :members 12)
 (:date "2021-05-28 18:00"
  :slug "iant"
  :topic "Section 6.7: Pages 136-137: The orthogonality relations for characters "
  :duration 40
  :members 11)
 (:date "2021-05-31 18:00"
  :slug "iant"
  :topic "Section 6.8: Pages 137-140: Dirichlet characters"
  :duration 40
  :members 11)
 (:date "2021-06-01 18:00"
  :slug "iant"
  :topic "Section 6.9: Pages 140-141: Sums involving Dirichlet characters"
  :duration 40
  :members 9)
 (:date "2021-06-02 18:00"
  :slug "iant"
  :topic "Section 6.10: Pages 141-143: The nonvanishing of \\( L(1, \\chi) \\) for real nonprincipal \\( \\chi \\)"
  :duration 40
  :members 7)
 (:date "2021-06-03 18:00"
  :slug "iant"
  :topic "Sections 7.1-7.2: Pages 146-147: Dirichlet's theorem for primes of the form \\( 4n - 1 \\) and \\( 4n + 1 \\)"
  :duration 40
  :members 7)
 (:date "2021-06-04 18:00"
  :slug "iant"
  :topic "Sections 7.3-7.4: Pages 148-151: The plan of the proof of Dirichlet's theorem, Proof of Lemma 7.4"
  :duration 30
  :members 7)
 (:date "2021-06-07 18:00"
  :slug "iant"
  :topic "Section 7.5: Pages 151-152: Proof of Lemma 7.5"
  :duration 40
  :members 7)
 (:date "2021-06-10 18:00"
  :slug "iant"
  :topic "Sections 7.6-7.9: Pages 152-155: Proof of Lemma 7.6, Proof of Lemma 7.8, Proof of Lemma 7.7, Distribution of primes in arithmetic progressions"
  :duration 40
  :members 7)
 (:date "2021-06-15 17:00"
  :slug "iant"
  :topic "Sections 8.1-8.2: Pages 157-160: Functions periodic modulo \\( k, \\) Existence of finite Fourier series for periodic arithmetical functions"
  :duration 40
  :members 9)
 (:date "2021-06-16 17:00"
  :slug "iant"
  :topic "Section 8.3: Pages 160-162: Ramanujan's sum and generalizations"
  :duration 40
  :members 8)
 (:date "2021-06-17 17:00"
  :slug "iant"
  :topic "Section 8.4: Pages 162-164: Multiplicative properties of the sums \\( s_k(n) \\)"
  :duration 40
  :members 13)
 (:date "2021-06-18 17:00"
  :slug "iant"
  :topic "Section 8.5: Pages 165-166: Gauss sums associated with Dirichlet characters"
  :duration 40
  :members 14)
 (:date "2021-06-21 17:00"
  :slug "iant"
  :topic "Sections 8.6-8.7: Pages 166-168: Dirichlet characters with nonvanishing Gauss sums, Induced moduli and primitive characters"
  :duration 40
  :members 12)
 (:date "2021-06-22 17:00"
  :slug "iant"
  :topic "Section 8.8: Pages 168-170: Further properties of induced moduli"
  :duration 40
  :members 11)
 (:date "2021-06-23 17:00"
  :slug "iant"
  :topic "Sections 8.9-8.10: Pages 171-173: The conductor of a character, Primitive characters and separable Gauss sums"
  :duration 40
  :members 12)
 (:date "2021-06-24 17:00"
  :slug "iant"
  :topic "Sections 8.11-8.12: Pages 174-174: The donductor of a character, Primitive characters and separable Gauss sums"
  :duration 40
  :members 11)
 (:date "2021-06-28 17:00"
  :slug "iant"
  :topic "Sections 9.1-9.2: Pages 178-180: Quadratic residues, Legendre's symbol and its properties"
  :duration 40
  :members 9)
 (:date "2021-06-29 17:00"
  :slug "iant"
  :topic "Section 9.3: Pages 181-182: Evaluation of \\( (-1 \\mid p) \\) and \\( 2 \\mid p \\)"
  :duration 40
  :members 9)
 (:date "2021-06-30 17:00"
  :slug "iant"
  :topic "Section 9.4: Pages 182-185: Gauss' lemma"
  :duration 40
  :members 10)
 (:date "2021-07-01 17:00"
  :slug "iant"
  :topic "Section 9.5: Pages 185-187: The quadratic reciprocity law"
  :duration 40
  :members 7)
 (:date "2021-07-02 17:00"
  :slug "iant"
  :topic "Section 9.7: Pages 187-190: The Jacobi symbol"
  :duration 40
  :members 7)
 (:date "2021-07-06 17:00"
  :slug "iant"
  :topic "Section 9.8: Pages 190-192: Applications to Diophantine equations"
  :duration 40
  :members 7)
 (:date "2021-07-07 17:00"
  :slug "iant"
  :topic "Section 9.9: Pages 192-193: Gauss sums and the quadratic reciprocity law (Theorems 9.13-9.14)"
  :duration 40
  :members 8)
 (:date "2021-07-08 17:00"
  :slug "iant"
  :topic "Section 9.9: Pages 193-195: Gauss sums and the quadratic reciprocity law (Theorem 9.15)"
  :duration 40
  :members 8)
 (:date "2021-07-09 17:00"
  :slug "iant"
  :topic "Sections 9.10-9.11: Pages 195-201: The reciprocity law for quadratic Gauss sums, Another proof of the quadratic reciprocity law"
  :duration 40
  :members 8)
 (:date "2021-07-13 17:00"
  :slug "iant"
  :topic "Sections 10.1-10.3: Pages 204-206: The exponent of a number mod \\( m, \\) Primitive roots and reduced residue systems, The nonexistence of primitive roots mod \\( 2^{\\alpha} \\) for \\( \\alpha \\ge 3 \\)"
  :duration 40
  :members 7)
 (:date "2021-07-14 17:00"
  :slug "iant"
  :topic "Sections 10.4-10.5: Pages 206-208: The existence of primitive roots mod \\( p \\) for odd primes \\( p \\)"
  :duration 40
  :members 7)
 (:date "2021-07-15 17:00"
  :slug "iant"
  :topic "Sections 10.6-10.7: Pages 208-210: The existence of primitive roots mod \\( p^{\\alpha}, \\) The existence of primitive roots mod \\( 2p^{\\alpha} \\)"
  :duration 40
  :members 8)
 (:date "2021-07-16 17:00"
  :slug "iant"
  :topic "Sections 10.8-10.9: Pages 211-212: The nonexistence of primitive roots in the remaining cases, The number of primitive roots mod \\( m \\)"
  :duration 40
  :members 7)
 (:date "2021-07-20 17:00"
  :slug "iant"
  :topic "Section 10.10: Pages 213-217: The index calculus"
  :duration 40
  :members 7)
 (:date "2021-07-21 17:00"
  :slug "iant"
  :topic "Section 10.11: Pages 218-219: Primitive roots and Dirichlet characters"
  :duration 40
  :members 7)
 (:date "2021-07-22 17:00"
  :slug "iant"
  :topic "Section 10.12: Page 220: Real-valued Dirichlet characters mod \\( p^{\\alpha} \\)"
  :duration 40
  :members 6)
 (:date "2021-07-23 17:00"
  :slug "iant"
  :topic "Section 10.13: Pages 221-223: Primitive Dirichlet characters mod \\( p^{\\alpha} \\)"
  :duration 40
  :members 8)
 (:date "2021-07-27 17:00"
  :slug "iant"
  :topic "Sections 11.1-11.2: Pages 224-225: The half-plane of absolute convergence of a Dirichlet series"
  :duration 40
  :members 7)
 (:date "2021-07-28 17:00"
  :slug "iant"
  :topic "Sections 11.3-11.4: Pages 226-229: The function defined by a Dirichlet series, Multiplication of Dirichlet series"
  :duration 40
  :members 6)
 (:date "2021-07-29 17:00"
  :slug "iant"
  :topic "Section 11.5: Pages 230-231: Euler products"
  :duration 40
  :members 6)
 (:date "2021-07-30 17:00"
  :slug "iant"
  :topic "Section 11.5: Pages 231-232: Euler products (Examples)"
  :duration 40
  :members 7)
 (:date "2021-08-03 17:00"
  :slug "iant"
  :topic "Section 11.6: Pages 232-234: The half-plane of convergence of a Dirichlet series"
  :duration 40
  :members 7)
 (:date "2021-08-04 17:00"
  :slug "iant"
  :topic "Section 11.7: Pages 234-236: Analytic properties of Dirichlet series"
  :duration 40
  :members 6)
 (:date "2021-08-05 17:00"
  :slug "iant"
  :topic "Sections 11.8-11.9: Pages 236-239: Dirichlet series with nonnegative coefficients, Dirichlet series expressed as exponentials of Dirichlet series"
  :duration 40
  :members 7)
 (:date "2021-08-06 17:00"
  :slug "iant"
  :topic "Sections 11.8-11.10: Pages 240-241: Mean value formulas for Dirichlet series"
  :duration 40
  :members 7)
 (:date "2021-08-10 17:00"
  :slug "iant"
  :topic "Section 11.11: Page 242: An integral formula for the coefficients of a Dirichlet series"
  :duration 40
  :members 6)
 (:date "2021-08-11 17:00"
  :slug "iant"
  :topic "Section 11.12: Pages 243-245: An integral formula for the partial sums of a Dirichlet series (Lemma 4)"
  :duration 40
  :members 7)
 (:date "2021-08-12 17:00"
  :slug "iant"
  :topic "Sections 11.12-12.1: Pages 245-250: An integral formula for the partial sums of a Dicihlet series (Theorem 11.18: Perron's formula), Hurwitz zeta function"
  :duration 30
  :members 6)
 (:date "2021-08-13 17:00"
  :slug "iant"
  :topic "Sections 12.2-12.3: Pages 250-252: Properties of the gamma function, Integral representation of the Hurwitz zeta function"
  :duration 40
  :members 7)
 (:date "2021-08-17 17:00"
  :slug "iant"
  :topic "Sections 12.4: Pages 253-254: A contour integral representation for the Hurwitz zeta function"
  :duration 40
  :members 7)
 (:date "2021-08-18 17:00"
  :slug "iant"
  :topic "Sections 12.5-12.7: Pages 254-257: Analytic continuation of \\( \\zeta(s, a), \\) \\( \\zeta(s), \\) and \\( L(s, \\chi), \\) Hurwitz's formula for \\( \\zeta(s, a) \\)"
  :duration 40
  :members 6)
 (:date "2021-08-19 17:00"
  :slug "iant"
  :topic "Sections 12.7: Pages 257-259: Hurwitz's formula"
  :duration 35
  :members 6)
 (:date "2021-08-20 17:00"
  :slug "iant"
  :topic "Sections 12.8: Pages 259-260: The functional equation for the Riemann zeta function"
  :duration 35
  :members 6)
 (:date "2021-08-24 17:00"
  :slug "iant"
  :topic "Sections 12.9-12.10: Pages 261-262: The functional equations for the Hurwitz zeta function and L-functions"
  :duration 40
  :members 6)
 (:date "2021-08-25 17:00"
  :slug "iant"
  :topic "Sections 12.10-12.11: Pages 262-265: The functional equations for the L-functions, Evaluation of \\( \\zeta(-n, a) \\)"
  :duration 40
  :members 7)
 (:date "2021-08-26 17:00"
  :slug "iant"
  :topic "Section 12.12: Pages 265-266: Properties of Bernoulli numbers and Bernoulli polynomials"
  :duration 40
  :members 6)
 (:date "2021-08-31 17:00"
  :slug "iant"
  :topic "Sections 12.12-12.13: Pages 267-268: Properties of Bernoulli numbers and Bernoulli polynomials, Formulas for \\( L(0, \\chi) \\)"
  :duration 45
  :members 5)
 (:date "2021-09-01 17:00"
  :slug "iant"
  :topic "Section 12.14: Pages 268-270: Approximation of \\( \\zeta(s, a) \\) by finite sums"
  :duration 30
  :members 7)
 (:date "2021-09-02 17:00"
  :slug "iant"
  :topic "Sections 12.15-12.16: Pages 270-273: Inequalities for \\( \\lvert \\zeta(s, a) \\rvert, \\) \\( \\lvert \\zeta(s) \\rvert, \\) and \\( \\lvert L(s, \\chi) \\rvert \\)"
  :duration 40
  :members 5)
 (:date "2021-09-03 17:00"
  :slug "iant"
  :topic "Sections 13.1-13.2: Pages 278-281: The plan of the proof, Lemmas"
  :duration 40
  :members 5)
 (:date "2021-09-07 17:00"
  :slug "iant"
  :topic "Sections 13.2-13.3: Pages 281-284: Lemmas, A contour integral representation for \\( \\psi_1(x)/x^2 \\)"
  :duration 40
  :members 6)
 (:date "2021-09-08 17:00"
  :slug "iant"
  :topic "Sections 13.4-13.5: Pages 284-287: Upper bounds for \\( \\zeta(s) \\) and \\( \\zeta'(s) \\) near the line \\( \\sigma = 1, \\) The nonvanishing of \\( \\zeta(s) \\) on the line \\( \\sigma = 1 \\)"
  :duration 40
  :members 5)
 (:date "2021-09-09 17:00"
  :slug "iant"
  :topic "Sections 13.6-13.7: Pages 287-291: Inequalities for \\( 1/\\zeta(s) \\) and \\( \\zeta'(s)/\\zeta(s), \\) Completion of the proof of the prime number theorem"
  :duration 40
  :members 4)
 (:date "2021-09-14 17:00"
  :slug "iant"
  :topic "Sections 13.8-13.9: Pages 291-293: Zero-free regions for \\( \\zeta(s), \\) The Riemann Hypothesis"
  :duration 40
  :members 5)
 (:date "2021-09-15 17:00"
  :slug "iant"
  :topic "Section 13.10: Pages 294-296: Applications to the divisor function"
  :duration 40
  :members 5)
 (:date "2021-09-16 17:00"
  :slug "iant"
  :topic "Section 13.11: Pages 297-299: Application to Euler's totient"
  :duration 40
  :members 4)
 (:date "2021-09-17 17:00"
  :slug "iant"
  :topic "Sections 13.12-14.2: Pages 299-307: Extension of Pólya's inequality for character sums, Geometric representation of partitions"
  :duration 40
  :members 4)
 (:date "2021-09-21 17:00"
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  :members 7)
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  :slug "mastering-emacs"
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