4,874 research outputs found
“Western Marxism” in Mao’s China
China’s reception of “Western Marxism” is a critical part of the global history of Marxism. This paper examines three aspects of the reception of Western Marxism in literary and art criticism during the early years of Mao’s China (1949-65): the Western Marxist critique of surrealism, debates over Marx’s Economic and Philosophical Manuscripts of 1844, and Sartrean existentialism and Western Marxism. The impacts of Western Marxist literary thought upon Chinese literary studies during the early years of the PRC are discussed, along with the extensive influx of Western Marxism that began in the reform era of post-Mao China (1978- ) as a renewal of the early exchanges that were disrupted during the Cultural Revolution (1966-76)
Revisiting the as a hadronic molecule and its strong decays
Recently, the Belle collaboration measured the ratios of the branching
fractions of the newly observed excited state. They did not
observe significant signals for the decay, and reported an upper limit for the ratio of the three
body decay to the two body decay mode of . In
this work, we revisit the newly observed from the molecular
perspective where this resonance appears to be a dynamically generated state
with spin-parity from the coupled channels interactions of the and in -wave and in -wave. With
the model parameters for the -wave interaction, we show that the ratio of
these decay fractions reported recently by the Belle collaboration can be
easily accommodated.Comment: Published version. Published in Eur.\ Phys.\ J.\ C {\bf 80}, 361
(2020
CrossSinger: A Cross-Lingual Multi-Singer High-Fidelity Singing Voice Synthesizer Trained on Monolingual Singers
It is challenging to build a multi-singer high-fidelity singing voice
synthesis system with cross-lingual ability by only using monolingual singers
in the training stage. In this paper, we propose CrossSinger, which is a
cross-lingual singing voice synthesizer based on Xiaoicesing2. Specifically, we
utilize International Phonetic Alphabet to unify the representation for all
languages of the training data. Moreover, we leverage conditional layer
normalization to incorporate the language information into the model for better
pronunciation when singers meet unseen languages. Additionally, gradient
reversal layer (GRL) is utilized to remove singer biases included in lyrics
since all singers are monolingual, which indicates singer's identity is
implicitly associated with the text. The experiment is conducted on a
combination of three singing voice datasets containing Japanese Kiritan
dataset, English NUS-48E dataset, and one internal Chinese dataset. The result
shows CrossSinger can synthesize high-fidelity songs for various singers with
cross-lingual ability, including code-switch cases.Comment: Accepted by ASRU202
A second monoclinic polymorph of 1-benzyl-N-methyl-1H-pyrrole-2-carboxamide
In the title compound, C13H14N2O, the Npyrrole—C(H2)—C—C torsion angle is −7.7 (3)° and the dihedral angle between the pyrrole and benzene rings is 83.6 (2)°. In the crystal, intermolecular N—H⋯O hydrogen bonds link the molecules into chains extending along the c axis. We have previously reported another polymorphic form of this title compound, which has the same space group with different cell parameters: a = 9.8285 (18) Å, b = 23.588 (4) Å, c = 9.9230 (17) Å, β = 90.107 (3)°, Z = 8 and V = 2300.5 (7) Å3 [Zeng et al. (2010 ▶). Acta Cryst. E66, o2051]
Transverse-momentum-dependent wave functions and Soft functions at one-loop in Large Momentum Effective Theory
In large-momentum effective theory (LaMET), the transverse-momentum-dependent
(TMD) light-front wave functions and soft functions can be extracted from the
simulation of a four-quark form factor and equal-time correlation functions. In
this work, using expansion by regions we provide a one-loop proof of TMD
factorization of the form factor. For the one-loop validation, we also present
a detailed calculation of perturbative corrections to
these quantities, in which we adopt a modern technique for the calculation of
TMD form factor based the integration by part and differential equation. The
one-loop hard functions are then extracted. Using lattice data from Lattice
Parton Collaboration on quasi-TMDWFs, we estimate the effects from the one-loop
matching kernel and find that the perturbative corrections depend on the
operator to define the form factor, but are less sensitive to the transverse
separation. These results will be helpful to precisely extract the soft
functions and TMD wave functions from the first-principle in future
Phase formation of polycrystalline MgB2 at low temperature using nanometer Mg powder
The MgB2 superconductor synthesized in a flowing argon atmosphere using
nanometer magnesium powder as the raw materials, denoted as Nano-MgB2, has been
studied by the technique of in-situ high temperature resistance measurement
(HT-RT measurement). The MgB2 phase is identified to form within the
temperature range of 430 to 490 C, which is much lower than that with the MgB2
sample fabricated in the same gas environment using the micron-sized magnesium
powder, denoted as Micro-MgB2, reported previously. The sample density of the
Nano-MgB2 reaches 1.7 g/cm3 with a crystal porosity structure less than a
micrometer, as determined by the scanning electron microscope (SEM) images,
while the Micro-MgB2 has a much more porous structure with corresponding
density of 1.0 g/cm3. This indicates that the Mg raw particle size, besides the
sintering temperature, is a crucial factor for the formation of high density
MgB2 sample, even at the temperature much lower than that of the Mg melting,
650 C. The X-ray diffraction (XRD) pattern shows a good MgB2 phase with small
amount of MgO and Mg and the transition temperature, TC, of the Nano-MgB2 was
determined as 39 K by the temperature dependent magnetization measurement
(M-T), indicating the existence of a good superconducting property.Comment: 10 pages, 4 figure, Solid State Communicatio
Diaquabis[3-(2-sulfanylphenyl)prop-2-enoato]zinc(II) dihydrate
In the title compound, [Zn(C9H7O2S)2(H2O)2]·2H2O, the ZnII atom (site symmetry ) is four-coordinated by two O atoms from 3-(2-sulfanylphenyl)prop-2-enoate anions and two aqua O atoms in a slightly distorted ZnO4 square-planar arrangement. In the crystal, O—H⋯O hydrogen bonds help to establish the packing
HiFi-WaveGAN: Generative Adversarial Network with Auxiliary Spectrogram-Phase Loss for High-Fidelity Singing Voice Generation
Entertainment-oriented singing voice synthesis (SVS) requires a vocoder to
generate high-fidelity (e.g. 48kHz) audio. However, most text-to-speech (TTS)
vocoders cannot reconstruct the waveform well in this scenario. In this paper,
we propose HiFi-WaveGAN to synthesize the 48kHz high-quality singing voices in
real-time. Specifically, it consists of an Extended WaveNet served as a
generator, a multi-period discriminator proposed in HiFiGAN, and a
multi-resolution spectrogram discriminator borrowed from UnivNet. To better
reconstruct the high-frequency part from the full-band mel-spectrogram, we
incorporate a pulse extractor to generate the constraint for the synthesized
waveform. Additionally, an auxiliary spectrogram-phase loss is utilized to
approximate the real distribution further. The experimental results show that
our proposed HiFi-WaveGAN obtains 4.23 in the mean opinion score (MOS) metric
for the 48kHz SVS task, significantly outperforming other neural vocoders
- …