نتایج جستجو برای: transcendence

تعداد نتایج: 1749  

1998
Michel Waldschmidt

We state two conjectures, which together would yield strong results of algebraic independence related to Schanuel’s Conjecture. Partial results on these conjectures are also discussed. 1991 Mathematics Subject Classification: 11J82, 11J85.

Journal: :Oncology nursing forum 1998
Doris Dickerson Coward

PURPOSE/OBJECTIVES To pilot a second support group intervention study promoting self-transcendence perspectives and activities and to document changes over time in well-being in support group participants compared with nonparticipants. DESIGN Quasiexperimental, partial randomization, preference trial design. SETTING An urban breast cancer resource center established by survivors. SAMPLE 4...

Journal: :practice in clinical psychology 0
farhad khormaei department of educational psychology, school of education and psychology, shiraz university, shiraz, iran. azam farmani tehran farzane yazdani department of educational psychology, school of education and psychology, shiraz university, shiraz, iran.

objective: the current study aimed at investigating the role of patience and its components in predicting self-control among high school students in shiraz, iran. methods: the statistical population of the study included all high school students of shiraz. three hundred and thirty-two students (161 females and 171 males) were recruited via cluster sampling method. the subjects participated in t...

Journal: :Archive of Formal Proofs 2015
Manuel Eberl

In this work, we define the concept of Liouville numbers as well as the standard construction to obtain Liouville numbers and we prove their most important properties: irrationality and transcendence. This is historically interesting since Liouville numbers constructed in the standard way where the first numbers that were proven to be transcendental. The proof is very elementary and requires on...

2000
M. LORENZ Z. REICHSTEIN

Let k be an algebraically closed field of characteristic 0 and let D be a division algebra whose center F contains k. We shall say that D can be reduced to r parameters if we can write D ≃ D0 ⊗F 0 F , where D0 is a division algebra, the center F0 of D0 contains k and trdeg k (F0) = r. We show that every division algebra of odd degree n ≥ 5 can be reduced to ≤ 1 2 (n − 1)(n − 2) parameters. More...

2008
Boris ADAMCZEWSKI

It was observed long ago (see e.g., [32] or [20], page 62) that Roth’s theorem [28] and its p-adic extension established by Ridout [27] can be used to prove the transcendence of real numbers whose expansion in some integer base contains repetitive patterns. This was properly written only in 1997, by Ferenczi and Mauduit [21], who adopted a point of view from combinatorics on words before applyi...

2000
M. ROVINSKY

Let k be an algebraically closed field of characteristic zero, L its finitely generated extension of transcendence degree ≥ 2, and L another finitely generated extension of k. It is a result of Bogomolov [B2] that any isomorphism between Gal(L/L) and Gal(L′/L) is induced by an isomorphism of fields L −→ L′ identifying L with L. If the transcendence degree of L over k is one, the group Gal(L/L) ...

2005
Alexandru Zaharescu

Let K be a field and v a valuation on K. We discuss some properties of extensions w of v to the field K(X1, . . . , Xn) of rational functions in n variables over K, for which the residue field of w has transcendence degree n over the residue field of v. 2000 Mathematics Subject Classification: 12J20, 12F20. 1.Introduction LetK be a field and v a valuation onK. Residual transcendental extensions...

2004
R. Martínez-Guerra

The authors address the diagnosis problem in nonlinear systems by using the concept of the differential transcendence degree of a differential field extension. The authors also consider the algebraic observability concept of the variable which models the failure presence for the solvability of the diagnosis problem. The construction of a reduced-order uncertainty observer (unknown-input observe...

2008
MICHEL WALDSCHMIDT

Is it possible to distinguish algebraic from transcendental real numbers by considering the b-ary expansion in some base b 2? In 1950, É. Borel suggested that the answer is no and that for any real irrational algebraic number x and for any base g 2, the g-ary expansion of x should satisfy some of the laws that are shared by almost all numbers. For instance, the frequency where a given finite se...

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