Results 21 to 30 of about 416,389 (287)

Quantifier elimination for quasi-real closed fields

open access: yesComptes Rendus. Mathématique, 2021
We prove quantifier elimination for the theory of quasi-real closed fields with a compatible valuation. This unifies the same known results for algebraically closed valued fields and real closed valued fields.
Matusinski, Mickaël, Müller, Simon
doaj   +1 more source

Matrix-F5 algorithms and tropical Gr\"obner bases computation

open access: yes, 2015
Let $K$ be a field equipped with a valuation. Tropical varieties over $K$ can be defined with a theory of Gr\"obner bases taking into account the valuation of $K$. Because of the use of the valuation, this theory is promising for stable computations over
A.   +4 more
core   +4 more sources

Degenerations of toric varieties over valuation rings [PDF]

open access: yes, 2016
We develop a theory of multi-stage degenerations of toric varieties over finite rank valuation rings, extending the Mumford--Gubler theory in rank one.
Foster, Tyler, Ranganathan, Dhruv
core   +1 more source

Functional business valuation – purpose is king!

open access: yesManagerial Economics
In the present contribution, we discuss the basic principles of functional business valuation. In addition to a distinction between objective and subjective valuation theory, the differences between finance-theoretical and investment-theoretical ...
Christian Toll, Thomas Hering
doaj   +1 more source

p-adic difference-difference Lotka-Volterra equation and ultra-discrete limit

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
We study the difference-difference Lotka-Volterra equations in p-adic number space and its p-adic valuation version. We point out that the structure of the space given by taking the ultra-discrete limit is the same as that of the p-adic valuation space ...
Shigeki Matsutani
doaj   +1 more source

Eisenstein Deformation Rings [PDF]

open access: yes, 2005
We prove R = T theorems for certain reducible residual Galois representations. We answer in the positive a question of Gross and Lubin on whether certain Hecke algebras T are discrete valuation rings.
Calegari, Frank
core   +2 more sources

Valuation Theory. Part I [PDF]

open access: yesFormalized Mathematics, 2012
Valuation Theory. Part I In the article we introduce a valuation function over a field [1]. Ring of non negative elements and its ideal of positive elements have been also defined.
Bancerek, Grzegorz   +2 more
openaire   +2 more sources

A Tropical F5 algorithm

open access: yes, 2017
Let K be a field equipped with a valuation. Tropical varieties over K can be defined with a theory of Gr{\"o}bner bases taking into account the valuation of K.
Vaccon, Tristan, Yokoyama, Kazuhiro
core   +2 more sources

Development of Early Startup Companies' Valuation Model Based on Android Mobile Application: The Angel Investor's Perspective

open access: yesJOIV: International Journal on Informatics Visualization, 2022
This research aims to develop a valuation model for early startup companies based on an Android mobile application (Valuasi app). This application aims to help early startups to evaluate their company performance.
Ratna Candra Sari   +4 more
doaj   +1 more source

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