نتایج جستجو برای: s sign
تعداد نتایج: 761734 فیلتر نتایج به سال:
thesis, but had normal CSF albumin and normal plasma proteins. Similar changes often occur in multiple sclerosis and other chronic and subacute inflammatory diseases of the nervous system but are usually of lesser degree than those observed in our patient.16 Elevations of CSF gamma globulin to levels higher than 30% of the total protein are very unusual in neurological disorders other than suba...
AM3 (Inmunoferon) is an orally effective immunomodulator that influences the regulatory and effector functions of the immune system whose molecular mechanisms of action are mostly unknown. We hypothesized that the polysaccharide moiety of AM3 (IF-S) might affect immune responses by modulating the lectin-dependent pathogen recognition abilities of human dendritic cells. IF-S inhibited binding of...
For a square (0, 1,−1) sign pattern matrix S, denote the qualitative class of S by Q(S). In this paper, we investigate the relationship between sign patterns and matrices that diagonalise an irreducible nonnegative matrix. We explicitly describe the sign patterns S such that every matrix in Q(S) diagonalises some irreducible nonnegative matrix. Further, we characterise the sign patterns S such ...
Hence, any party can convert a signature from Sign to one from Sign′ and vice versa. (a) According to the note above, Verify′(pk,M, σ′) = Verify(pk,M, σ) where σ = ([s]P − [e]Q, s). Specifically, Verify′(pk,M, σ) works as follows: 1. Compute R = [s]P − [e]Q 2. Compute e′ = H(M ||R) 3. Accept if R + [e′]Q = [s]P . Note that this condition is equivalent to e = e′ (b) Suppose we have an adversary ...
An Alternating sign matrix is a square matrix of 0’s, 1’s, and −1’s in which the sum of the entries in each row or column is 1 and the signs of the nonzero entries in each row or column alternate. This paper attempts to define an analogue to alternating sign matrices which is infinite and periodic. After showing the analogue we define shares desirable cahracteristics with alternating sign matri...
SUMMARY Franks sign is a dermatological marker, which has in many studies correlated with coronary heart disease. The aim of the study carried out in a sample of 60 subjects was to define whether Franks sign belongs to the group of risk factors for cerebrovascular disease. The subjects with the presence of Franks sign were assigned to group A, and those without Franks sign to group B. All...
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