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pro vyhledávání: '"EPSTEIN, L"'
X-ray based imaging modalities are widely used in research, industry, and in the medical field. Consequently, there is a strong motivation to improve their performances with respect to resolution, dose, and contrast. Ghost imaging (GI) is an imaging
Externí odkaz:
http://arxiv.org/abs/2306.16702
Autor:
Eakins, J, Huet, C, Brkić, H, Capello, K, Desorgher, L, Epstein, L, Hunt, J G, Kim, H S, Krstic, D, Lee, Y-K, Manohari, M, Nikezic, D, Shukrun, R H, Souza-Santos, D., Tymińska, K.
Publikováno v:
Radiation Measurements 148 (2021) 106649
An intercomparison exercise is described that examines Monte Carlo modelling of anthropomorphic voxel phantoms in an idealized ground-contamination photon exposure scenario. Thirteen participants calculated and submitted organ and effective dose rate
Externí odkaz:
http://arxiv.org/abs/2112.03854
Autor:
Markus-Epstein, L.
Geometric methods proposed by Stallings for treating finitely generated subgroups of free groups were successfully used to solve a wide collection of decision problems for free groups and their subgroups. In the present paper we employ the generalize
Externí odkaz:
http://arxiv.org/abs/0707.0165
Autor:
Markus-Epstein, L.
Geometric methods proposed by Stallings for treating finitely generated subgroups of free groups were successfully used by many authors to solve a wide collection of decision problems for free groups and their subgroups. In the present paper we emplo
Externí odkaz:
http://arxiv.org/abs/0706.0101
Autor:
Markus-Epstein, L.
In the 1980's Stallings showed that every finitely generated subgroup of a free group is canonically represented by a finite minimal immersion of a bouquet of circles. In terms of the theory of automata, this is a minimal finite inverse automaton. Th
Externí odkaz:
http://arxiv.org/abs/0705.0754
Autor:
Markus-Epstein, L.
Geometric methods proposed by Stallings for treating finitely generated subgroups of free groups were successfully used to solve a wide collection of decision problems for free groups and their subgroups. It turns out that Stallings' methods can be e
Externí odkaz:
http://arxiv.org/abs/0705.0759
In this paper we completely classify the circulant weighing matrices of weight 16 and odd order. It turns out that the order must be an odd multiple of either 21 or 31. Up to equivalence, there are two distinct matrices in CW(31,16), one matrix in CW
Externí odkaz:
http://arxiv.org/abs/math/9910164
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