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- Christine A Clay, Erin M Lehmer, Andrea Previtali, Stephen St Jeor, M Denise Dearing
- Proceedings. Biological sciences
- 2009

Heterogeneities within disease hosts suggest that not all individuals have the same probability of transmitting disease or becoming infected. This heterogeneity is thought to be due to dissimilarity in susceptibility and exposure among hosts. As such, it has been proposed that many host-pathogen systems follow the general pattern whereby a small fraction of… (More)

- Jesse L Brunner, Laura Cheney, +4 authors Richard S Ostfeld
- Journal of medical entomology
- 2011

The blacklegged tick (Ixodes scapularis) is an important vector of emerging human pathogens. It has three blood-feeding stages, as follows: larva, nymph, and adult. Owing to inefficient transovarial transmission, at least for the Lyme disease agent (Borrelia burgdorferi), larval ticks rarely hatch infected, but they can acquire infection during their larval… (More)

- Andrea Previtali
- J. Symb. Comput.
- 2006

We describe an algorithm for obtaining the central primitive idempotents of the algebra associated with a monomial representation. As a consequence, we obtain its irreducible constituents. This is implemented in MAGMA, using an algorithm based on Dixon’s modular approach. In the case of permutation representations, we get a simplified version of the… (More)

- Marta Giorgetti, Andrea Previtali
- Finite Fields and Their Applications
- 2010

Article history: Received 26 February 2009 Revised 21 September 2009 Available online 2 February 2010 Communicated by W. Cary Huffman

- Rod Gow, Martin Marjoram, Andrea Previtali
- 2001

We show that if P is a Sylow 2-subgroup of the finite symplectic group m Ž . Sp q , where q is a power of 2, then P has irreducible complex characters of 2 m m t mŽm 1. 2 degree 2 q , where t is any integer satisfying 0 t m 2 , and that q mŽm 1. 2 is the largest possible degree of an irreducible complex character of P . m We include related results on the… (More)

- Marko Lovrecic Sarazin, Walter Pacco, Andrea Previtali
- Discrete Mathematics
- 2007

The generalized Petersen graphs (GPGs) which have been invented by Watkins, may serve for perhaps the simplest nontrivial examples of “galactic” graphs, i.e. those with a nice property of having a semiregular automorphism. Some of them are also vertextransitive or even more highly symmetric, and some are Cayley graphs. In this paper, we study a further… (More)

- Elena Lucenti, Alessandra Forni, +6 authors Elena Cariati
- The journal of physical chemistry letters
- 2017

Solid-state luminescent materials with long lifetimes are the subject of ever-growing interest from both a scientific and a technological point of view. However, when dealing with organic compounds, the achievement of highly efficient materials is limited by aggregation-caused quenching (ACQ) phenomena on one side and by ultrafast deactivation of the… (More)

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