Publications by authors named "P K Klimov"

Accurate decoding of quantum error-correcting codes is a crucial ingredient in protecting quantum information from decoherence. It requires characterizing the error channels corrupting the logical quantum state and providing this information as a prior to the decoder. We introduce a reinforcement learning inspired method for calibrating these priors that aims to minimize the logical error rate.

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Undesired coupling to the surrounding environment destroys long-range correlations in quantum processors and hinders coherent evolution in the nominally available computational space. This noise is an outstanding challenge when leveraging the computation power of near-term quantum processors. It has been shown that benchmarking random circuit sampling with cross-entropy benchmarking can provide an estimate of the effective size of the Hilbert space coherently available.

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Article Synopsis
  • Tyrophagus putrescentiae, a global mould mite, can cause allergies and contaminate food, posing a risk of DNA contamination in laboratory samples through air currents and small spaces.
  • The mite's success in various environments is linked to symbiotic bacteria within its body, aiding its adaptation to different food sources, although the impact of gene transfer from bacteria and fungi needs further research.
  • Genome sequencing of T. putrescentiae revealed it as a major source of DNA contamination in research, alongside associations with antibiotic-resistant bacteria like E. coli, but no recent horizontal gene transfers were found in this mite or similar species.
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Article Synopsis
  • - Parasitengona, a diverse group of mites including velvet mites and chiggers, consists of over 11,000 species found in various habitats and is significant due to certain species' roles as disease vectors.
  • - The classification of Parasitengona remains debated, with unclear boundaries between its superfamilies and families, while most species undergo metamorphosis, although the Allotanaupodoidea superfamily shows exceptions.
  • - A recent study conducted phylogenetic analysis suggesting that Parasitengona likely originated on land and led to a new classification within the superfamily Trombidioidea, proposing three new major divisions based on genetic relationships.
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Multi-host parasites pose greater health risks to wildlife, livestock, and humans than single-host parasites, yet our understanding of how ecological and biological factors influence a parasite's host range remains limited. Here, we assemble the largest and most complete dataset on permanently parasitic mammalian mites and build a predictive model assessing the probability of single-host parasites to become multi-hosts, while accounting for potentially unobserved host-parasite links and class imbalance. This model identifies statistically significant predictors related to parasites, hosts, climate, and habitat disturbance.

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