On the size of balls covered by analytic transformations
β Scribed by Lawrence A. Harris
- Publisher
- Springer Vienna
- Year
- 1977
- Tongue
- English
- Weight
- 743 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0026-9255
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π SIMILAR VOLUMES
## Abstract The pH chromism of polydiacetylenes (PDAs) is examined with respect to the molecular size and acidity of acid analytes, along with the alkyl spacer length of primaryβamineβfunctionalized diacetylene (DA) lipids. pH turns out to be an important parameter to charge amine headgroups of PDA
Let D = {B1 , B2 , . . . , B b } be a finite family of k-subsets (called blocks) of a vset X(v) = {1, 2, . . . , v} (with elements called points). Then D is a (v, k, t) covering design or covering if every t-subset of X(v) is contained in at least one block of D. The number of blocks, b, is the size