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Pseudoexponential fields are exponential fields similar to complex exponentiation satisfying the Schanuel Property, which is the abstract statement of Schanuel's Conjecture, and an adapted form of existential closure. Here we show that if…

Number Theory · Mathematics 2017-02-01 Vincenzo Mantova

In this paper we prove that assuming Schanuel's conjecture, an exponential polynomial in one variable over the algebraic numbers has only finitely many algebraic solutions. This implies a positive answer to Shapiro's conjecture for…

Logic · Mathematics 2009-10-19 Ahuva C. Shkop

In this paper, we prove that a pseudoexponential field has continuum many non-isomorphic countable real closed exponential subfields, each with an order preserving exponential map which is surjective onto the nonnegative elements. Indeed,…

Logic · Mathematics 2016-02-10 Ahuva C. Shkop

The algebra of exponential fields and their extensions is developed. The focus is on ELA-fields, which are algebraically closed with a surjective exponential map. In this context, finitely presented extensions are defined, it is shown that…

Logic · Mathematics 2014-10-28 Jonathan Kirby

Assuming Schanuel's Conjecture we prove that for any variety V over the algebraic closure over the rational numbers, of dimension n and with dominant projections, there exists a generic point in V. We obtain in this way many instances of…

Logic · Mathematics 2025-01-13 Paola D'Aquino , Antongiulio Fornasiero , Giuseppina Terzo

We give a construction of quasiminimal fields equipped with pseudo-analytic maps, generalising Zilber's pseudo-exponential function. In particular we construct pseudo-exponential maps of simple abelian varieties, including…

Logic · Mathematics 2018-06-20 Martin Bays , Jonathan Kirby

This paper contains an alternate proof of the Schanuel Nullstellensatz for Zilber's Pseudoexponentiation. Furthermore, in an algebraically closed exponential field whose exponential map is surjective with standard kernel, this property…

Logic · Mathematics 2009-05-24 Ahuva C. Shkop

We consider the theory of algebraically closed fields of characteristic zero with multivalued operations $x\mapsto x^r$ (raising to powers). It is in fact the theory of equations in exponential sums. In an earlier paper we have described…

Logic · Mathematics 2015-01-15 Boris Zilber

Assuming Schanuel's conjecture, we prove that any polynomial exponential equation in one variable must have a solution that is transcendental over a given finitely generated field. With the help of some recent results in Diophantine…

Number Theory · Mathematics 2017-02-01 Vincenzo Mantova , Umberto Zannier

We study the structure of an algebraically closed field with extra function resembling the classical exponentiation on complex numbers.

Logic · Mathematics 2007-05-23 Boris Zilber

We consider a version of a famous open problem formulated by Kadison, asking whether bounded representations of operator algebras are automatically completely bounded. We investigate this question in the context of amenable operator…

Operator Algebras · Mathematics 2017-08-02 Raphaël Clouâtre , Laurent W. Marcoux

In [1], J. Ax proved a transcendency theorem for certain differential fields of characteristic zero: the differential counterpart of the still open Schanuel's conjecture about the exponential function over the field of complex numbers [11,…

Logic · Mathematics 2015-10-27 Salma Kuhlmann , Mickael Matusinski , Ahuva C. Shkop

We study solutions of exponential polynomials over the complex field. Assuming Schanuel's conjecture we prove that certain polynomials have generic solutions in the complex field.

Logic · Mathematics 2016-02-08 P. D'Aquino , A. Fornasiero , G. Terzo

We prove the analogue of Schanuel's conjecture for raising to the power of an exponentially transcendental real number. All but countably many real numbers are exponentially transcendental. We also give a more general result for several…

Number Theory · Mathematics 2011-08-05 Martin Bays , Jonathan Kirby , A. J. Wilkie

We characterise the model-theoretic algebraic closure in Zilber's exponential field. A key step involves showing that certain algebraic varieties have finite intersections with certain finite-rank subgroups of the graph of exponentiation.…

Logic · Mathematics 2025-01-22 Vahagn Aslanyan , Jonathan Kirby

Assuming Schanuel's conjecture, we prove that the complete theory $T_{\exp}$ of the real exponential field is axiomatized by the axioms of definably complete exponential fields satisfying $\exp' = \exp$. This implies the result of Macintyre…

Logic · Mathematics 2026-03-10 Alessandro Berarducci , Francesco Gallinaro

In this paper, we study the endomorphism properties of vertex operator algebras over an arbitrary field $\mathbb{F}$, with $\text{Char}(\mathbb{F}) \neq 2$. Let $V$ be a strongly finitely generated vertex operator algebra over $\mathbb{F}$,…

Quantum Algebra · Mathematics 2023-02-07 Chao Yang , Jianqi Liu

We show that every free semigroup algebras has a (strongly) unique Banach space predual. We also provide a new simpler proof that a weak*-closed unital operator operator algebra containing a weak* dense subalgebra of compact operators has a…

Operator Algebras · Mathematics 2019-08-15 Kenneth R. Davidson , Alex Wright

In constructive algebra one cannot in general decide the irreducibility of a polynomial over a field K. This poses some problems to showing the existence of the algebraic closure of K. We give a possible constructive interpretation of the…

Logic · Mathematics 2014-09-12 Bassel Mannaa , Thierry Coquand

In this paper we use tools from set theory and the uncountable categoricity of Zilber's pseudo-exponential field to show that Zilber's field is isomorphic to the complex field with (standard) exponentiation and hence Schanuel's conjecture…

Logic · Mathematics 2014-06-20 Ali Bleybel
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