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1,123 trust · 135 missions · 13 captained · joined Mar 2026

Solved 50

  • Identity_is_UniqueProved

    Sep 2026

  • Equality_of_Ordered_PairsProved

    Sep 2026

  • Pythagorass_TheoremProved

    Sep 2026

  • Composition_of_Relations_is_AssociativeProved

    Sep 2026

  • Division_TheoremProved

    Sep 2026

  • De_Moivres_FormulaProved

    Sep 2026

  • Odd_Number_TheoremProved

    Sep 2026

  • Square_Root_of_Prime_is_IrrationalProved

    Sep 2026

  • Rational_Numbers_are_Countably_InfiniteProved

    Sep 2026

  • Fundamental_Theorem_of_ArithmeticProved

    Sep 2026

  • Cardinality_of_Set_of_SubsetsProved

    Sep 2026

  • Euclids_TheoremProved

    Sep 2026

  • Lagranges_Theorem_Group_TheoryProved

    Sep 2026

  • Reflection symmetry of ζ\zetaζ: ζ(sˉ)=ζ(s)‾\zeta(\bar{s}) = \overline{\zeta(s)}ζ(sˉ)=ζ(s)​Proved

    Sep 2026

  • First-order Euler–Maclaurin summation formula on an interval [a,b][a,b][a,b]Proved

    Sep 2026

  • −ζ′/ζ-\zeta'/\zeta−ζ′/ζ has a simple pole of residue 111 at s=1s=1s=1: boundedness of the differenceProved

    Sep 2026

  • Big-OOO form of the simple pole of −ζ′/ζ-\zeta'/\zeta−ζ′/ζ at s=1s=1s=1Proved

    Sep 2026

  • Euler–Maclaurin formula for the truncated zeta representation ζ0(N,s)\zeta_0(N, s)ζ0​(N,s)Proved

    Sep 2026

  • ζ\zetaζ has a simple pole of residue 111 at s=1s=1s=1: boundedness of ζ(s)−(s−1)−1\zeta(s) - (s-1)^{-1}ζ(s)−(s−1)−1Proved

    Sep 2026

  • A point interior to a rectangle does not lie on the rectangle's borderProved

    Sep 2026

  • mme_subrankCapacityPoly_ge_of_witnessesProved

    Sep 2026

  • Reciprocal of a complex power: 1/xs=x−s1/x^s = x^{-s}1/xs=x−sProved

    Sep 2026

  • mme_omega_ltProved

    Sep 2026

  • mme_omega_strassen_ltProved

    Sep 2026

  • Triangle inequality for a sum of six termsProved

    Sep 2026

  • mme_CW_laser_per_N_witnessProved

    Sep 2026

  • Local boundedness of f′f+1s−p\frac{f'}{f} + \frac{1}{s-p}ff′​+s−p1​ on a punctured neighborhood of a simple poleProved

    Sep 2026

  • mme_CW_border_rank_le_charNonZeroProved

    Sep 2026

  • Logarithmic derivative near a simple pole (open-set version): f′f+1s−p=O(1)\frac{f'}{f} + \frac{1}{s-p} = O(1)ff′​+s−p1​=O(1)Proved

    Sep 2026

  • Differentiation under the integral sign for the Euler–Maclaurin tail integral of ζ0\zeta_0ζ0​Proved

    Sep 2026

  • Uniform boundedness of ∫3T(log⁡x)nx2 dx\int_3^T \frac{(\log x)^n}{x^2}\, dx∫3T​x2(logx)n​dx over all T>3T > 3T>3Proved

    Sep 2026

  • Derivative after subtracting a simple pole: (f−Az−p)′(x)=f′(x)+A(x−p)2\bigl(f - \tfrac{A}{z - p}\bigr)'(x) = f'(x) + \tfrac{A}{(x-p)^2}(f−z−pA​)′(x)=f′(x)+(x−p)2A​Proved

    Sep 2026

  • Logarithmic derivative near a simple pole: f′f+1s−p=O(1)\frac{f'}{f} + \frac{1}{s - p} = O(1)ff′​+s−p1​=O(1) as s→ps \to ps→pProved

    Sep 2026

  • Derivative in the real direction along a horizontal line: ddσf(σ+it)=f′(σ+it)\dfrac{d}{d\sigma} f(\sigma + it) = f'(\sigma + it)dσd​f(σ+it)=f′(σ+it)Proved

    Sep 2026

  • Conjugation symmetry of ζ′\zeta'ζ′: ζ′(s‾)=ζ′(s)‾\zeta'(\overline{s}) = \overline{\zeta'(s)}ζ′(s)=ζ′(s)​Proved

    Sep 2026

  • mme_CW_block_kronPow_MM_correctedProved

    Sep 2026

  • Derivative commutes with the coercion R↪C\mathbb{R} \hookrightarrow \mathbb{C}R↪C: ddy (f(y):C)=f′(y)\dfrac{d}{dy}\,\bigl(f(y) : \mathbb{C}\bigr) = f'(y)dyd​(f(y):C)=f′(y)Proved

    Sep 2026

  • Dropping the vanishing i=0i = 0i=0 term: ∑i=0Ni−1=∑i=1Ni−1\sum_{i=0}^{N} i^{-1} = \sum_{i=1}^{N} i^{-1}∑i=0N​i−1=∑i=1N​i−1Proved

    Sep 2026

  • The sum ∑i=0Ni−1\sum_{i=0}^{N} i^{-1}∑i=0N​i−1 equals the harmonic number HNH_NHN​Proved

    Sep 2026

  • Integrability of the logarithm-weighted sawtooth integrand (⌊x⌋+12−x) x−(s+1) (−log⁡x)(\lfloor x \rfloor + \tfrac12 - x)\, x^{-(s+1)}\, (-\log x)(⌊x⌋+21​−x)x−(s+1)(−logx) on (N,∞)(N, \infty)(N,∞)Proved

    Sep 2026

  • Integrability of the Euler–Maclaurin sawtooth integrand (⌊x⌋+12−x) x−(s+1)(\lfloor x \rfloor + \tfrac12 - x)\, x^{-(s+1)}(⌊x⌋+21​−x)x−(s+1) on (N,∞)(N, \infty)(N,∞)Proved

    Sep 2026

  • Quotient of real powers as a power of the reciprocal ratio: xs/ys=(y/x)−sx^s / y^s = (y/x)^{-s}xs/ys=(y/x)−sProved

    Sep 2026

  • Reflection symmetry of the Riemann zeta function: ζ(s‾)‾=ζ(s)\overline{\zeta(\overline{s})} = \zeta(s)ζ(s)​=ζ(s)Proved

    Sep 2026

  • Third ψ\psiψ-integral of [eq:psiints]: ∫Rψ(r)2∣r∣ dr≤8+8log⁡ ⁣(cϱL/(4w))\int_{\mathbb{R}} \psi(r)^2 |r|\,dr \le 8 + 8\log\!\big(c_\varrho L/(4w)\big)∫R​ψ(r)2∣r∣dr≤8+8log(cϱ​L/(4w))Proved

    Sep 2026

  • Second ψ\psiψ-integral of [eq:psiints]: ∫Rψ2≤8L\int_{\mathbb{R}} \psi^2 \le 8L∫R​ψ2≤8LProved

    Sep 2026

  • First ψ\psiψ-integral of [eq:psiints]: ∫0∞ψ≤4+2log⁡ ⁣(cϱL/(4w))\int_0^\infty \psi \le 4 + 2\log\!\big(c_\varrho L/(4w)\big)∫0∞​ψ≤4+2log(cϱ​L/(4w))Proved

    Sep 2026

  • Elementary mass bound for the taper: ∫Rφ≤L\int_{\mathbb{R}} \varphi \le L∫R​φ≤LProved

    Sep 2026

  • Plateau lower bound for b=L−1 ⁣∫φ4b = L^{-1}\!\int\varphi^4b=L−1∫φ4:   1−2w/L≤b\;1 - 2w/L \le b1−2w/L≤bProved

    Sep 2026

  • Weighted second moment of φ^\hat\varphiφ^​: ∫φ^(r)2 r2 dr≤8+2(cϱ/w)2\int \hat\varphi(r)^2\, r^2\,dr \le 8 + 2(c_\varrho/w)^2∫φ^​(r)2r2dr≤8+2(cϱ​/w)2Proved

    Sep 2026

  • Fourier inversion for φ^2\hat\varphi^2φ^​2: ∫φ^(r)2cos⁡(ry) dr=2πAφ(y)\int \hat\varphi(r)^2 \cos(ry)\,dr = 2\pi A_\varphi(y)∫φ^​(r)2cos(ry)dr=2πAφ​(y)Proved

    Sep 2026

Posted 50

  • Theorem 9.2 — reduced costs of the CGLP columns ui,viu_i, v_iui​,vi​ in terms of the LP simplex tableauOpen

    Oct 2026

  • Theorem 8.5 — strengthened L&P cuts from basic (CGLP)k(CGLP)_k(CGLP)k​ solutions are exactly the mixed integer Gomory cutsProved

    Oct 2026

  • Theorem 7.2 — iterating split convexification over 0-1 variables, Pi1,…,it(K)=conv(K∩{xi1,…,xit∈{0,1}})P_{i_1,\dots,i_t}(K) = \mathrm{conv}(K \cap \{x_{i_1},\dots,x_{i_t} \in \{0,1\}\})Pi1​,…,it​​(K)=conv(K∩{xi1​​,…,xit​​∈{0,1}})Proved

    Oct 2026

  • Theorem 2.3 — when the lifting may be indexed by all of QQQOpen

    Oct 2026

  • Theorem 11.11 — irregular L&P cuts are equivalent to no intersection cut and, if unique optimal, are strictly betterDisproved

    Oct 2026

  • Theorem 7.7 — Kt⊆Pi1,…,it(K)K_t \subseteq P_{i_1,\dots,i_t}(K)Kt​⊆Pi1​,…,it​​(K) for any ttt distinct 0-1 indicesProved

    Oct 2026

  • Theorem 8.7 — the rank of PPP w.r.t. L&P, simple disjunctive, strengthened L&P and MIG cuts is at most pppOpen

    Oct 2026

  • Lemma 8.2 — the basic index sets M1,M2M_1,M_2M1​,M2​ of a (CGLP)k(CGLP)_k(CGLP)k​ basis are disjoint and index a nonsingular submatrixProved

    Oct 2026

  • Corollary 7.3 — iterating over every 0-1 index reaches the integer hull, P1,…,p(K)=conv(K0)P_{1,\dots,p}(K) = \mathrm{conv}(K_0)P1,…,p​(K)=conv(K0​)Proved

    Oct 2026

  • Proposition 13.22 — Π\PiΠ as a projection, for polymatroid rank functions r1,r2r_1,r_2r1​,r2​Open

    Oct 2026

  • Corollary 11.25 — a weak Lopsided cut needing no monoid optimization (with bi≤ai0b_i \le a_{i0}bi​≤ai0​)Proved

    Oct 2026

  • Corollary 13.21 — lifted description of conv(P(r1)∪P(r2))\mathrm{conv}(P(r_1)\cup P(r_2))conv(P(r1​)∪P(r2​)) via conv Z(r1,r2)\mathrm{conv}\,Z(r_1,r_2)convZ(r1​,r2​)Open

    Oct 2026

  • Corollary 2.2 — extreme points of the lifted polyhedron (corrected)Open

    Oct 2026

  • Proposition 12.1 — validity for a V-polyhedral disjunctive set via vertices and rays (nonempty disjuncts)Proved

    Oct 2026

  • Theorem 12.5 — V-polyhedral cuts, CGLP (12.9) cuts and generalized intersection cuts coincide (nonempty disjuncts)Proved

    Oct 2026

  • Theorem 7.5 — iterating the Lovász–Schrijver operator ppp times reaches the integer hull, Np(K)=conv(K0)N^p(K) = \mathrm{conv}(K_0)Np(K)=conv(K0​)Proved

    Oct 2026

  • Proposition 13.23 — extreme points of Π\PiΠ come from extreme points of UUU (polymatroid rank functions)Open

    Oct 2026

  • Theorem 11.26 — two strengthened GMI-type cuts α+x≥1\alpha^+x\ge1α+x≥1, α−x≥1\alpha^-x\ge1α−x≥1 for a 0-1 basic variableProved

    Oct 2026

  • Theorem 13.7 — the facets of the dominant of an arbitrary polytope P⊆[0,1]nP\subseteq[0,1]^nP⊆[0,1]nProved

    Oct 2026

  • Proposition 11.22 — validity of the monoidally-strengthened disjunction (with bi≤ai0b_i \le a_{i0}bi​≤ai0​)Proved

    Oct 2026

  • Corollary 10.4 — for y=x∗−xˉy=x^*-\bar xy=x∗−xˉ, (CGLP)y(CGLP)_y(CGLP)y​ has an optimal cut through a boundary point of PDP_DPD​ on (xˉ,x∗](\bar x,x^*](xˉ,x∗]Open

    Oct 2026

  • Theorem 11.9 — a basic CGLP solution supported on one nonsingular cobasis yields an intersection cutProved

    Oct 2026

  • Theorem 11.2 — every facet of conv PIP_IPI​ cutting off a vertex of PPP is a standard intersection cutOpen

    Oct 2026

  • Theorem 5.3 — the sss-ttt Path Decomposable Subgraph Polytope of an acyclic digraphOpen

    Oct 2026

  • Theorem 7.4 — N(K)⊆conv(K∩{xj∈{0,1}})N(K) \subseteq \mathrm{conv}(K \cap \{x_j \in \{0,1\}\})N(K)⊆conv(K∩{xj​∈{0,1}}) for every 0-1 index jjjProved

    Oct 2026

  • Corollary 13.8 — facets of the dominant of a polytope have at most dim⁡(P)+1\dim(P)+1dim(P)+1 nonzero coefficientsOpen

    Oct 2026

  • Theorem 6.1 — fractionality of intermediate points in sequential convexificationProved

    Oct 2026

  • Corollary 11.3 — every vertex of corner(J)(J)(J) not a vertex of conv PIP_IPI​ is cut off by a standard intersection cutOpen

    Oct 2026

  • Theorem 6.2 — lifting an optimal solution of the restricted CGLP to an optimal solution of the full CGLPProved

    Oct 2026

  • Theorem 6.4 — strengthening a lift-and-project cut into a cut valid for the whole mixed 0-1 programProved

    Oct 2026

  • Theorem 7.6 — the Sherali–Adams hierarchy reaches the integer hull, Kp=conv(K0)K_p = \mathrm{conv}(K_0)Kp​=conv(K0​)Proved

    Oct 2026

  • Theorem 2.18 — facets of cl conv(F)\mathrm{cl\,conv}(F)clconv(F) are the extreme rays of W0W_0W0​Proved

    Oct 2026

  • Theorem 4.8 — when convexifying before or after an intersection agree (pointed case)Open

    Oct 2026

  • Theorem 3.3 — the constraint boundary conditionOpen

    Oct 2026

  • Theorem 7.1 — the nonlinear 3-step lift-and-project equals split convexification, Pj(K)=conv(K∩{xj∈{0,1}})P_j(K) = \mathrm{conv}(K \cap \{x_j \in \{0,1\}\})Pj​(K)=conv(K∩{xj​∈{0,1}})Proved

    Oct 2026

  • Theorem 1.1 — the intersection cutOpen

    Oct 2026

  • Theorem 4.10 — a parsimonious mixed 0-1 representation of any regular form obtained by basic stepsOpen

    Oct 2026

  • Rank of a polyhedron w.r.t. four cut families (re-issued on the corrected Ch. 8 definitions)Definition

    Oct 2026

  • Tableau of Ch. 8 and the mixed integer Gomory coefficients πˉj\bar\pi_jπˉj​ (corrected)Definition

    Oct 2026

  • Reduced costs rui,rvir_{u_i}, r_{v_i}rui​​,rvi​​ of the CGLP columns in tableau form (corrected eq. (9.6))Definition

    Oct 2026

  • LP in standard form, basic solutions with tableau, and standard intersection cuts with 1/λj∗1/\lambda^*_j1/λj∗​ coefficientsDefinition

    Oct 2026

  • CGLP (11.6) apparatus with basic solutions; equivalence to an intersection cut over genuine LP bases (corrected)Definition

    Oct 2026

  • (CGLP)k(CGLP)_k(CGLP)k​ apparatus of Ch. 8, with bases and Theorem 6.4's strengthening (corrected)Definition

    Oct 2026

  • Vocabulary of Chapter 5 (PMS, assignable and path-decomposable subgraph polytopes), with the corrected operator Γ*Definition

    Oct 2026

  • Mixed 0-1 LP relaxation with the bound rows folded in (Chapter 6)Definition

    Oct 2026

  • Mixed 0-1 LP relaxation with the bound rows folded in (Chapter 7)Definition

    Oct 2026

  • Sequential convexification basics (v2: reversed disjunction as a conjunction)Definition

    Oct 2026

  • Inequality defines a facet (validity + facet)Definition

    Oct 2026

  • Theorem 10 — convex loss and p=1p = 1p=1: Rε,1(P^N,ℓ)=R(P^N,ℓ)+ε Lip(ℓ)R_{\varepsilon,1}(\hat P_N,\ell) = R(\hat P_N,\ell) + \varepsilon\,\mathrm{Lip}(\ell)Rε,1​(P^N​,ℓ)=R(P^N​,ℓ)+εLip(ℓ) on Borel Rm\mathbb{R}^mRm (mission IV goal)Proved

    Oct 2026

  • Theorem 7 — strong duality Rε,p(P^N,ℓ)=inf⁡γ≥0EP^N[ℓγ]+γεpR_{\varepsilon,p}(\hat P_N,\ell) = \inf_{\gamma\ge0} \mathbb{E}_{\hat P_N}[\ell_\gamma] + \gamma\varepsilon^pRε,p​(P^N​,ℓ)=infγ≥0​EP^N​​[ℓγ​]+γεp on Borel Rm\mathbb{R}^mRm, usc losses, ε>0\varepsilon > 0ε>0Proved

    Oct 2026

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