number-theoryMay 31, 2026Significance 25/100Registry: unreviewed
Prior state unknown→proved
integral unimodular lattices of rank at most 32; the general conjecture is open
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combinatoricsJul 27, 2026Significance 25/100Registry: unreviewed
Prior state unknown→disproved
VibeMathed recorded: Unimodality of Kazhdan-Lusztig Polynomials of Matroids. Consult the linked registry entry for the original report and scope.
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analysisAug 5, 2026Significance 25/100Registry: lean checked
Prior state unknown→proved
VibeMathed recorded: Gabor Frames of Totally Positive Functions. Consult the linked registry entry for the original report and scope.
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geometry-topologyMar 11, 2026Significance 25/100Registry: unreviewed
Prior state unknown→proved
A record lower bound; the kissing number in dimension 19 remains unknown.
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algorithms-optimizationAug 3, 2026Significance 25/100Registry: unreviewed
Prior state unknown→proved
VibeMathed recorded: Approximating Two-Terminal Network Reliability. Consult the linked registry entry for the original report and scope.
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probability-statisticsJul 20, 2026Significance 25/100Registry: site confirmed
Prior state unknown→disproved
Explicit counterexamples in dimensions 3 and 4, so GMC(n) fails for every n >= 3; GMC(1) was already known, and a separate human-authored preprint claims the remaining n = 2 case affirmatively
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analysisAug 3, 2026Significance 25/100Registry: unreviewed
Prior state unknown→proved
VibeMathed recorded: Kalton-Peck Space and its Hyperplanes. Consult the linked registry entry for the original report and scope.
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quantum-information-computingJul 28, 2026Significance 25/100Registry: unreviewed
Prior state unknown→proved
VibeMathed recorded: Existence of Bipartite Bound Information. Consult the linked registry entry for the original report and scope.
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combinatoricsAug 1, 2026Significance 25/100Registry: lean verified
Prior state unknown→disproved
VibeMathed recorded: Erdős Problem #146: Degeneracy Conjecture. Consult the linked registry entry for the original report and scope.
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combinatoricsJul 10, 2026Significance 25/100Registry: unreviewed
Prior state unknown→disproved
VibeMathed recorded: A Counterexample to Nivat's Conjecture for a Non-Convex Window. Consult the linked registry entry for the original report and scope.
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geometry-topologyJul 13, 2026Significance 25/100Registry: unreviewed
Prior state unknown→disproved
rules out the two-point LP method in this dimension; the optimal packing in dimension 36 remains unknown
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combinatoricsJul 17, 2026Significance 25/100Registry: unreviewed
Prior state unknown→proved
VibeMathed recorded: Feige's Hypergraph Moore-Bound Conjecture. Consult the linked registry entry for the original report and scope.
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number-theorySep 6, 2026Significance 22/100Registry: lean checked
proved→proved
The problem is open, and the repository says so: what is proved are criteria for it and two instances, not the general case.
Every compared statement that concludes Problem 10.61 does so for a quadratic setup - a real root α>1 of X2−aX−b whose conjugate has modulus below one - and both instances are quadratic. The arbitrary-degree material is conditional ingredients: for the family…
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geometry-topologySep 5, 2026Significance 22/100Registry: unreviewed
Prior state unknown→disproved
Answered in the negative for every n≥2. The preprint constructs a bijection F:Rn→Rn that maps every connected set to a connected set, is continuous exactly off the closed ray [0,∞)×{0}n−1, and pulls the straight segment {(1,0,…,0)}×[0,1] back to the middle-thirds Cantor set on that ray, so F−1 is not connectedness-preserving. The construction extends a th…
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combinatoricsSep 2, 2026Significance 22/100Registry: unreviewed
Prior state unknown→proved
For every nonnegative n×n matrix A whose bipartite support graph has girth at least an even integer g≥4, Dong and Jain prove the sharp inequality
Bethe(A)≤per(A)≤22n/gBethe(A).
The factor 22n/g is optimal whenever g∣2n, attained by matrices whose support graphs are disjoint unions of g-cycles. Thus the result confirms Anari's conjectur…
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geometry-topologySep 3, 2026Significance 22/100Registry: unreviewed
proved→proved
the equality case; the inequality was settled separately and is tracked on its own entry
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analysisNov 19, 2025Significance 22/100Registry: unreviewed
Prior state unknown→proved
Charts the bounded-slope regime of the arithmetic Kakeya program; the conjecture itself remains open.
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geometry-topologyAug 10, 2026Significance 22/100Registry: unreviewed
Prior state unknown→disproved
The counterexamples come with divisibility bounds on the Hodge-theoretic index, at 2-torsion and 5-torsion, on very general hyperkahler fourfolds.
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analysisAug 6, 2026Significance 22/100Registry: unreviewed
Prior state unknown→disproved
One finite-dimensional construction settles several related questions. Besides the inverse generator problem, it gives a generator whose Cayley transforms satisfy the ordinary Kreiss resolvent condition but are neither strongly Kreiss bounded nor power bounded, and it shows the Crank-Nicolson scheme is unstable in operator norm both over long times at fixed step size and under mesh refinement at fixed final time. Ve…
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geometry-topologyAug 27, 2026Significance 22/100Registry: unreviewed
Prior state unknown→proved
The theorem improves the best lower bound valid in *every* sufficiently large genus from asymptotic constant 2/9 to 1. The every-genus ladder it climbs is Katz-Sabourau's 19/120 and then Liu-Petri's 2/9, the latter also by a random construction. Constant 1 was already reached by Petri-Walker along a subsequence of genera, following Erdos-Sachs, so the new contribution is achieving it uniformly rather than…
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probability-statisticsJan 14, 2026Significance 22/100Registry: unreviewed
Prior state unknown→proved
Fully resolves the posed coordinate-wise question; the main Courtade-Kumar conjecture itself remains open outside the extended high-noise range.
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algebraAug 4, 2026Significance 22/100Registry: unreviewed
Prior state unknown→disproved
The paper records how stuck this was: the first author had discussed the question with Caucher Birkar, Osamu Fujino, Christopher D. Hacon, Junpeng Jiao, Vladimir Lazic and Lingyao Xie, and writes that despite a general feeling that a negative answer was likely, no precise counterexample could be found. The authors also note that, given the limitations of generative AI, they may have missed related literature and wel…
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analysisAug 9, 2026Significance 22/100Registry: unreviewed
Prior state unknown→disproved
The domain has dihedral symmetry of order 26 and is neither a disc nor centrally symmetric, and its eigenfunction changes sign - which is why an additional sign assumption rescues the statement.
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quantum-information-computingAug 5, 2026Significance 22/100Registry: unreviewed
Prior state unknown→disproved
VibeMathed recorded: Completeness of Maximally Entangled States for Pseudo-Telepathy. Consult the linked registry entry for the original report and scope.
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combinatoricsAug 1, 2026Significance 21/100Registry: lean verified
Prior state unknown→proved
VibeMathed recorded: Erdős Problem #183: Multicolor Triangle Ramsey. Consult the linked registry entry for the original report and scope.
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geometry-topologyAug 13, 2026Significance 20/100Registry: unreviewed
Prior state unknown→disproved
Courtade conjectured that for convex bodies B,C⊂Rn,
(∣B∣∣C∣)1/n+(∣B2n∣∣B2n+B+C∣)1/n≤∣B2n+B∣1/n∣B2n+C∣1/n.
The paper proves that this inequality is false in every dimension n≥3. In dimension 3, it gives an explicit geometric counterexample using two orthogonal double bodies of revolution. It then strengthens this by constructing zonoid counterexamples in every d…
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combinatoricsSep 4, 2026Significance 20/100Registry: unreviewed
Prior state unknown→proved
The preprint claims an exact classification. Write C5(G) for the residues modulo five represented by cycle lengths in G. Let
E5=K6,K5,5∪H5,n;t:2≤t≤5<n,
where H5,n;t is obtained from K5,n by deleting 5−t edges incident with one vertex in the part of size n.
For every finite simple graph G with minimum degree at least five, exactly one alternative holds:…
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analysisSep 1, 2026Significance 20/100Registry: unreviewed
Prior state unknown→disproved
For the space-homogeneous Boltzmann equation in dimension 3 with collision kernels
B=4π1∣v−v∗∣γ,γ∈[0,1],
the paper constructs smooth, positive, radial mixtures fR=(1−p)M1+pMR for which ∂tD(fR)>0 for sufficiently large R. Thus entropy production need not decrease even for Maxwell molecules (γ=0) or hard spheres (γ=1), negatively resolving McKean's…
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logic-foundationsSep 4, 2026Significance 20/100Registry: unreviewed
proved→proved
Let T be a complete first-order theory in discrete or continuous logic, let M≺U, and let μ∈Mx(U) be Borel-definable over M. The paper proves that the following three conditions are equivalent:
(i) μ is a frequency interpretation measure (fim) over M;
(ii) μ is definable over M and its canonical random extension rμ is generically stable over…
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geometry-topologySep 3, 2026Significance 20/100Registry: unreviewed
disproved→disproved
VibeMathed recorded: Han and Jiang's Question on klt Type in Flat Families. Consult the linked registry entry for the original report and scope.
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geometry-topologySep 3, 2026Significance 20/100Registry: unreviewed
disproved→disproved
VibeMathed recorded: Kollár and Kovács's Question on Cohomology of Fibers. Consult the linked registry entry for the original report and scope.
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probability-statisticsJul 15, 2026Significance 20/100Registry: unreviewed
Prior state unknown→proved
the conjectured cutoff location of 2n log n is wrong
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probability-statisticsMay 22, 2026Significance 20/100Registry: unreviewed
Prior state unknown→proved
VibeMathed recorded: Optimal Vector Balancing for Zonotopes. Consult the linked registry entry for the original report and scope.
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geometry-topologyMay 27, 2026Significance 20/100Registry: unreviewed
Prior state unknown→proved
VibeMathed recorded: The Aluffi-Chen-Marcolli Real-Rootedness Conjecture. Consult the linked registry entry for the original report and scope.
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theoretical-computer-scienceJun 24, 2026Significance 20/100Registry: unreviewed
Prior state unknown→proved
VibeMathed recorded: Quadratic-Time Hardness of Furthest Pair in Superconstant Dimension. Consult the linked registry entry for the original report and scope.
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analysisJul 23, 2026Significance 20/100Registry: unreviewed
Prior state unknown→proved
VibeMathed recorded: Uniqueness of the Faber–Krahn Position of Convex Bodies. Consult the linked registry entry for the original report and scope.
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