215 research outputs found
THE INFLUENCE OF INTERNATIONAL LARGE-SCALE SPORTS EVENTS AND THE DEVELOPMENT OF CHINA’S NATIONAL IMAGE ON PEOPLE’S PSYCHOLOGICAL WELL-BEING
Generative-Discriminative Complementary Learning
Majority of state-of-the-art deep learning methods are discriminative
approaches, which model the conditional distribution of labels given inputs
features. The success of such approaches heavily depends on high-quality
labeled instances, which are not easy to obtain, especially as the number of
candidate classes increases. In this paper, we study the complementary learning
problem. Unlike ordinary labels, complementary labels are easy to obtain
because an annotator only needs to provide a yes/no answer to a randomly chosen
candidate class for each instance. We propose a generative-discriminative
complementary learning method that estimates the ordinary labels by modeling
both the conditional (discriminative) and instance (generative) distributions.
Our method, we call Complementary Conditional GAN (CCGAN), improves the
accuracy of predicting ordinary labels and can generate high-quality instances
in spite of weak supervision. In addition to the extensive empirical studies,
we also theoretically show that our model can retrieve the true conditional
distribution from the complementarily-labeled data
Development of Chinese Cultural Governance since the Reform and Opening-up
Contemporary Chinese cultural governance is an important part of the
national governance system and the modernization of national governance
capacity. It must combine international experience and local method
together and run through the whole process of cultural system reform.
The good governance of culture is the goal pursued by Chinese cultural
governance, which displays the management process of maximizing
cultural public interest. In the new era, cultural governance reform has
experienced governance subject centralized to pluralism, governance
space from inside to outside, governance method from ruling by man
to the rule of law, governance path from control-oriented government
to service-oriented government. To further improve Chinese cultural
governance in the new era, relationships between top-level design and
grass-root innovation, cultural democracy and cultural concentration,
national cultural interests, social cultural interests and cultural interests
of the citizens, domestic cultural governance and global culture must be
dialectically dealt with. In the government-market-social governance
structure, mutual assistance of multiple missions and win-win of multiple
subjects can be achieved, thus promoting harmony of multiple interest
Superconductivity in epitaxially grown LaVO3/KTaO3(111) heterostructures
Complex oxide heterointerfaces can host a rich of emergent phenomena, and
epitaxial growth is usually at the heart of forming these interfaces. Recently,
a strong crystalline-orientation-dependent two-dimensional superconductivity
was discovered at interfaces between KTaO3 single-crystal substrates and films
of other oxides. Unexpectedly, rare of these oxide films was epitaxially grown.
Here, we report the existence of superconductivity in epitaxially grown
LaVO3/KTaO3(111) heterostructures, with a superconducting transition
temperature of ~0.5 K. Meanwhile, no superconductivity was detected in the
(001)- and (110)-orientated LaVO3/KTaO3 heterostructures down to 50 mK.
Moreover, we find that for the LaVO3/KTaO3(111) interfaces to be conducting, an
oxygen-deficient growth environment and a minimum LaVO3 thickness of ~0.8 nm (~
2 unit cells) are needed.Comment: 5 figures, plus 6 supplementary figure
Noise-resilient phase estimation with randomized compiling
We develop an error mitigation method for the control-free phase estimation.
We prove a theorem that under the first-order correction, the noise channels
with only Hermitian Kraus operators do not change the phases of a unitary
operator, and therefore, the benign types of noise for phase estimation are
identified. By using the randomized compiling protocol, we can convert the
generic noise in the phase estimation circuits into stochastic Pauli noise,
which satisfies the condition of our theorem. Thus we achieve a noise-resilient
phase estimation without any quantum resource overhead. The simulated
experiments show that our method can significantly reduce the estimation error
of the phases by up to two orders of magnitude. Our method paves the way for
the utilization of quantum phase estimation before the advent of fault-tolerant
quantum computers.Comment: 5 pages 4 figures, with the appendix; final version for publicatio
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