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Let a(n) denote the number of l's in the binary expansion of n. It is proved that if n m 7 (8), a(ri) = 6, and n y= 63, then RP" can be immersed in R2"-14. This provides the first counterexample to the wellknown conjecture that the best immersion is in R2»-2«!")* ' (when a(n) = 1 or 2 mod 4). The method of proof is obstruction theory.

Clinical isolates (n = 63) of Pseudomonas aeruginosa obtained from various sites in 63 horses were compared using ERIC2 RAPD PCR to determine their genetic relatedness. Resulting banding patterns (n = 24 genotypes) showed a high degree of genetic heterogeneity amongst all isolates examined, indicating a relative non-clonal relationship between isolates from these patients, employing this genoty...

Faecal samples were individually collected from pet (n = 63) and zoo (n = 83) birds representing 14 orders and 63 species. All the samples were examined by faecal flotation technique. In a subgroup of samples (n = 75), molecular assays were also used to detect Cryptosporidium oocysts and Giardia duodenalis cysts. Overall, 35.6% of the birds harboured parasites (42.2% of zoo birds and 27% of pet...

Two lines of rabbits divergently selected for body weight at 63 days during 6 generations (H: high line; L: low line) and a cryo-preserved control group (C) were used to assess the effects of growth rate on muscle characteristics, either at a fixed age (63 days) or at the same weight (2297 + 10 g). In the two series of slaughter, body weight at weaning (28 days) was decreased in the rank order ...

Abstract Let $X^{n}$ be an oriented closed generalized $n$ -manifold, $n\ge 5$ . In our recent paper (Proc. Edinb. Math. Soc. (2) 63 (2020), no. 2, 597–607), we have constructed a map $t:\mathcal {N}(X^{n}) \to H^{st}_{n} ( X^{n}; \mathbb{L}^{+})$ which extends the normal invariant for case when is topological -manifold. Here, $\mathcal {N}(X^{n})$ denotes set of all bordism classes degree one ...