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15 papers · 1 filter
An operator-theoretical proof for the second-order phase transition in the BCS-Bogoliubov model of superconductivity (final version)
Shuji Watanabe
We show that the transition from a normal conducting state to a superconducting state is a second-order phase transition in the BCS-Bogoliubov model of superconductivity from the v…
Merlin-Arthur with efficient quantum Merlin and quantum supremacy for the second level of the Fourier hierarchy
Tomoyuki Morimae, Yuki Takeuchi, Harumichi Nishimura
We introduce a simple sub-universal quantum computing model, which we call the Hadamard-classical circuit with one-qubit (HC1Q) model. It consists of a classical reversible circuit…
Sign-Constrained Regularized Loss Minimization
Tsuyoshi Kato, Misato Kobayashi, Daisuke Sano
In practical analysis, domain knowledge about analysis target has often been accumulated, although, typically, such knowledge has been discarded in the statistical analysis stage,…
Prediction of Structures and Interactions from Genome Information
Sanzo Miyazawa
Predicting three dimensional residue-residue contacts from evolutionary information in protein sequences was attempted already in the early 1990s. However, contact prediction accur…
Verification of Many-Qubit States
Yuki Takeuchi, Tomoyuki Morimae
Verification is a task to check whether a given quantum state is close to an ideal state or not. In this paper, we show that a variety of many-qubit quantum states can be verified…
Position-sensitive propagation of information on social media using social physics approach
Akira Ishii, Takayuki Mizuno, Yasuko Kawahata
The excitement and convergence of tweets on specific topics are well studied. However, by utilizing the position information of Tweet, it is also possible to analyze the position-s…