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Article
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Transactions of the American Mathematical Society
Article . 1975 . Peer-reviewed
Data sources: Crossref
Transactions of the American Mathematical Society
Article . 1975 . Peer-reviewed
Data sources: Crossref
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Gelfond's Method for Algebraic Independence

Gelfond's method for algebraic independence
Authors: Brownawell, W. Dale;

Gelfond's Method for Algebraic Independence

Abstract

This paper extends Gelfond’s method for algebraic independence to fields K K with transcendence type ⩽ τ \leqslant \tau . The main results show that the elements of a transcendence basis for K K and at least two more numbers from a prescribed set are algebraically independent over Q Q . The theorems have a common hypothesis: { α 1 , … , α M } , { β 1 , … , β N } \{ {\alpha _1}, \ldots ,{\alpha _M}\} ,\{ {\beta _1}, \ldots ,{\beta _N}\} are sets of complex numbers, each of which is Q Q -linearly independent. THEOREM A. If ( 2 τ − 1 ) > M N (2\tau - 1) > MN , then at least two of the numbers α i , β j , exp ⁡ ( α i β j ) , 1 ⩽ i ⩽ M , 1 ⩽ j ⩽ N {\alpha _i},{\beta _j},\exp ({\alpha _i}{\beta _j}),1 \leqslant i \leqslant M,1 \leqslant j \leqslant N , are algebraically dependent over K K . THEOREM B. If 2 τ ( M + N ) ⩽ M N + M 2\tau (M + N) \leqslant MN + M , then at least two of the numbers α i , exp ⁡ ( α i , β j ) , 1 ⩽ i ⩽ M , 1 ⩽ j ⩽ N {\alpha _i},\exp ({\alpha _i},{\beta _j}),1 \leqslant i \leqslant M,1 \leqslant j \leqslant N , are algebraically dependent over K K . THEOREM C. If 2 τ ( M + N ) ⩽ M N 2\tau (M + N) \leqslant MN , then at least two of the numbers 1 ⩽ i ⩽ M , 1 ⩽ j ⩽ N 1 \leqslant i \leqslant M,1 \leqslant j \leqslant N , are algebraically dependent over K K .

Related Organizations
Keywords

Algebraic independence; Gel'fond's method

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
bronze