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- Gábor Ivanyos, Luc Sanselme, Miklos Santha
- STACS
- 2007

Extraspecial groups form a remarkable subclass of p-groups. They are also present in quantum information theory, in particular in quantum error correction. We give here a polynomial time quantum algorithm for finding hidden subgroups in extraspecial groups. Our approach is quite different from the recent algorithms presented in [17] and [2] for the… (More)

- Gábor Ivanyos, Luc Sanselme, Miklos Santha
- Algorithmica
- 2008

In this paper we show that the hidden subgroup problem in nil-2 groups, that is in groups of nilpotency class at most 2, can be solved efficiently by a quantum procedure. The algorithm is an extension of our earlier method for extraspecial groups in Ivanyos et al. (Proceedings of the 24th Symposium on Theoretical Aspects of Computer Science (STACS), vol.… (More)

- Nabila Aghanim, Candice Caplan, +225 authors Andrea Zonca
- 2013

We describe the processing of the 531 billion raw data samples from the High Frequency Instrument (hereafter HFI), which we performed to produce six temperature maps from the first 473 days of Planck-HFI survey data. These maps provide an accurate rendition of the sky emission at 100, 143, 217, 353, 545, and 857 GHz with an angular resolution ranging from… (More)

Extraspecial groups form a remarkable subclass of p-groups. They are also present in quantum information theory, in particular in quantum error correction. We give here a polynomial time quantum algorithm for finding hidden subgroups in extraspecial groups. Our approach is quite different from the recent algorithms presented in [17] and [2] for the… (More)

In this paper we extend the algorithm for extraspecial groups in [12], and show that the hidden subgroup problem in nil-2 groups, that is in groups of nilpotency class at most 2, can be solved efficiently by a quantum procedure. The algorithm presented here has several additional features. It contains a powerful classical reduction for the hidden subgroup… (More)

- Simon Perdrix, Luc Sanselme
- FCT
- 2017

- Nabila Aghanim, Candice Caplan, +205 authors Andrea Zonca
- 2013

This paper presents the detection, interpretation and removal of the signal resulting from interactions of high energy particles with the Planck High Frequency Instrument (HFI). These interactions fall into two categories, heating the 0.1K bolometer plate and glitches in each detector time stream. Glitch shapes are not simple single pole exponential decays… (More)

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