The key idea is to decompose the bilinear mapping as a difference between two positive semidefinite convex mappings. At each iteration of the algorithm the concave part is linearized, leading to a ...

Are flat pedals better if the platform is convex? Concave? Why not both? While the internet argues about which pedal design provides the best grip and feel, OneUp has been testing prototypes of their ...

To address the non-convex nature of the problem ... More precisely, we propose a deep unfolding of the successive concave approximation (SCA) method. In our unfolded SCA (USCA) framework, the ...

Given a set of points, this code will calculate the points that define a concave polygon that surrounds all of the points. These points will be selected, ordered in a continuous path and returned.

We obtain a pair of nontrivial solutions for a class of concave-linear-convex type elliptic problems that are either critical or subcritical. The solutions we find are neither local minimizers nor of ...

This is our Tensorflow implementation for the paper: Xiang Wang, Xiangnan He, Meng Wang, Fuli Feng, and Tat-Seng Chua (2019). Neural Graph Collaborative Filtering, Paper in ACM DL or Paper in arXiv.

2025年北京当代·艺术博览会(以下简称“艺博会”)22日在全国农业展览馆11号馆正式开幕。今年的艺博会以“凹凸”(CONCAVE-CONVEX)为主题，延续对于当代艺术价值纵深性和差异性的观察与发掘。 作为今年北京规模较大的大型艺术博览会，本届北京当代·艺术博览会 ...

Find more information on the Altmetric Attention Score and how the score is calculated. In this work, PtPd concave nanocubes anchored on graphene nanoribbons (PtPd-rGONRs) were successfully fabricated ...

But what if the real power of data isn’t just in how much you have, but in how well you understand the relationships between it? That’s where graph analytics steps in. The challenge, until now, has ...

2025北京当代·艺术博览会近日在全国农业展览馆11号馆开幕。今年艺博会以“凹凸”（CONCAVE-CONVEX）为主题，延续对于当代艺术价值纵深性和差异性的观察与发掘。来自全球12个国家32个城市的132家参展机构在北京当代2万平方米的现场呈现着一个全景的艺术世界。

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