Results 1 to 10 of about 58 (54)

Birational Quadratic Planar Maps with Generalized Complex Rational Representations

open access: yesMathematics, 2023
Complex rational maps have been used to construct birational quadratic maps based on two special syzygies of degree one. Similar to complex rational curves, rational curves over generalized complex numbers have also been constructed by substituting the ...
Xuhui Wang   +4 more
doaj   +4 more sources

Non-commutative birational maps satisfying Zamolodchikov equation, and Desargues lattices [PDF]

open access: yesJournal of Mathematical Physics, 2020
We present new solutions of the functional Zamolodchikov tetrahedron equation in terms of birational maps in totally non-commutative variables. All the maps originate from Desargues lattices, which provide geometric realization of solutions to the non-Abelian Hirota–Miwa system.
Adam Doliwa, Rinat M. Kashaev
openaire   +3 more sources

C*-actions on rational homogeneous varieties and the associated birational maps

open access: yes, 2023
Given a birational map among projective varieties, it is known that there exists a variety Z with a one-dimensional torus action such that the birational map is induced from two geometric quotients of Z. We proceed in the opposite direction: given a smooth projective variety X with a one-dimensional torus action, one can define a birational map ...
openaire   +1 more source

New Zealand volume. [PDF]

open access: yesEur J Math, 2022
Bogomolov F   +3 more
europepmc   +1 more source

On some invariants of cubic fourfolds. [PDF]

open access: yesEur J Math, 2023
Gounelas F, Kouvidakis A.
europepmc   +1 more source

Categorical Torelli theorems: results and open problems. [PDF]

open access: yesRend Circ Mat Palermo, 2023
Pertusi L, Stellari P.
europepmc   +1 more source

Discriminants and Semi-orthogonal Decompositions. [PDF]

open access: yesCommun Math Phys, 2022
Kite A, Segal E.
europepmc   +1 more source

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