منابع مشابه
on the effect of linear & non-linear texts on students comprehension and recalling
چکیده ندارد.
15 صفحه اولSets of extended uniqueness and σ - porosity
We show that there exists a closed non-σ-porous set of extended uniqueness. We also give a new proof of Lyons’ theorem, which shows that the class of H(n)-sets is not large in U0.
متن کاملWronskians and Linear Independence
Obviously, a family of linearly dependent functions has a zero Wronskian. Many standard textbooks on differential equations (e.g., [10, Chap. 5, §5.2], [22, Chap. 1, §4], [9, Chap. 3, §7]) contain the following warning: linearly independent functions may have an identically zero Wronskian! This seems to have been pointed out for the first time by Peano [20, 21], who gave the example of the pair...
متن کاملLinear Independence and Choice
The notions of linear and metric independence are investigated in relation to the property: if U is a set of m + 1 independent vectors, and X is a set of m independent vectors, then adjoining some vector in U to X results in a set of m + 1 independent vectors. A weak countable choice axiom is introduced, in the presence of which linear and metric independence are equivalent. Proofs are carried ...
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ژورنال
عنوان ژورنال: Glasnik matematicki
سال: 2012
ISSN: 0017-095X
DOI: 10.3336/gm.47.2.14