43 problems
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Nonnegative Laurent phenomenon conjecture for Somos-5 sequences
Let be a Somos-5 sequence, meaning that every six consecutive terms satisfy … The Somos-5 Laurent positivity conjecture. Every term is a Laurent polynomial wi…
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Palindromicity conjecture for twisted Neumann–Zagier determinant polynomials
Palindromicity conjecture. The Laurent polynomials and are palindromic.
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Propp's positivity and unit-coefficient conjecture for perturbed Gale–Robinson recurrences
Let be the perturbed Gale–Robinson Laurent polynomial defined by … with initial variables for . Thus each is a Laurent polynom…
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Nonnegative Laurent expansion conjecture for minors and chamber minors
Let be a generic square matrix, and let a double wiring diagram be arbitrary. The chamber-minor Laurent positivity conjecture. Every minor of can be written as a Laurent po…
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Propp's exponent-bound conjecture for the cube recurrence
Let denote the initial variables in a polynomial generated by the cube recurrence. Propp's exponent-bound conjecture. In each term of any polynomial generated by the cu…
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The nonnegative-coefficient conjecture for the Laurent phenomenon
The paper considers instances of the Laurent phenomenon, in which the quantities generated by the relevant recurrences are Laurent polynomials in the initial variables with integer…
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The xz-conjecture for admissible Laurent polynomials
For integers , let … be an admissible function, written as … Define its torus spectrum by … The -conjecture asserts that … where each torus is equipped with normalize…
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Power-sum Laurent integrality for the Macdonald shift map
Let be a power-sum symmetric function, let be the shifted power-sum basis, and define … where is Lassalle's Macdonald shift map. Pow…
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Laurent preservation by the Macdonald adjoint operator
Let be the Laurent lattice of Macdonald symmetric functions, let be the Macdonald multiplication-derived operator, and let d…
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Laurent integrality of the shifted Macdonald skew function
Laurent-integrality conjecture for shifted Macdonald skew functions. For all ,
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Eventual periodicity of combinatorial zero mutable Laurent polynomial counts
Eventual-periodicity conjecture. 1. For each there exists such that for all , the number depends…
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Combinatorial characterization of zero mutable Laurent polynomials on rectangular triangles
Combinatorial characterization conjecture. If , then
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Partition characterization of irreducible zero mutable Laurent polynomials
Partition characterization conjecture. Irreducible zero mutable Laurent polynomials on are in one-to-one correspondence with tuples of decreasing p…
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Spike case of the compatible-extraction conjecture
Spike-case conjecture. The compatible-extraction conjecture holds for all cases in the classification theorem called Spike.
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Corti–Filip–Petracci smoothing-component conjecture
Corti–Filip–Petracci smoothing-component conjecture. Smoothing components of are in bijection with zero mutable Laurent polynomials with Newton polyto…
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Markov polynomial classification conjecture for Laurent-polynomial solutions
Let be integer Laurent polynomials satisfying equation … in terms of the Markov-polynomial construction; the source gives no resolut…
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Louboutin's degree conjecture for the auxiliary Laurent polynomial
Let with and , and let . Using the polynomials and Laurent polynomials defined in Proposition 19, let and…
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The weighted Laurent-polynomial spectrum conjecture
Weighted Laurent-polynomial spectrum conjecture. If
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The weighted Laurent-polynomial Mathieu conjecture
Weighted Laurent-polynomial Mathieu conjecture. If
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The xz-conjecture for Laurent polynomials with polynomial coefficients
Let be an admissible function on of the form … where is an integer multi-index, each is a complex polyn…
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Conjecture on the coefficient norm of the trace polynomial and Lucas numbers
Let be a natural number, and let and be parameters of the twisted hybrid weaving knot, with the symmetric Laurent-polynomial trace term define…
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The classification conjecture for rigid maximally mutable Laurent polynomials
Let be a positive integer. A classification conjecture for rigid maximally mutable Laurent polynomials asserts that rigid MMLPs in variables, up to mutation, are in one-to-…
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The rigidity criterion for maximally mutable Laurent polynomials
Let be a lattice and let be a Laurent polynomial such that is a Fano polytope and the constant term of …
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The mutation connectivity conjecture for mirror partners
Let be a Fano variety, and let and be Laurent-polynomial mirror partners to . A mutation connectivity conjecture asserts that and are connected by a finite s…
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The period conjecture for Laurent polynomials
Let be Laurent polynomials in two variables, and let … and similarly for denote their classical periods. Two Laurent polynomials are mutation equivalent if a co…