المؤلفون: Wei Zhang, Pengcheng Li, Donghe Pei

المصدر: AIMS Mathematics, Vol 9, Iss 3, Pp 5688-5707 (2024)

مصطلحات موضوعية: spacelike framed curves, circular evolutes, involutes, parallel curves, normal surfaces, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/6f47ff7a826147ae8728c1b3ba009fa7

المؤلفون: Linlin Wu, Anjie Zhou, Kaixin Yao, Donghe Pei

المصدر: Mathematics, Vol 12, Iss 16, p 2593 (2024)

مصطلحات موضوعية: Lorentz–Minkowski space, generalized Bertrand curve, framed curve, singularity, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/12/16/2593; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/933585fa01584397a4e8c900b750d8fa

المؤلفون: Chang Sun, Kaixin Yao, Donghe Pei

المصدر: AIMS Mathematics, Vol 8, Iss 11, Pp 26600-26613 (2023)

مصطلحات موضوعية: non-lightlike framed surface, cross-cap, developable surface, maximal surface, asymptotic curve, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/b89b2c9bd09843bdba190664fac43a14

المؤلفون: Rongsheng Ma, Donghe Pei

المصدر: AIMS Mathematics, Vol 7, Iss 7, Pp 11519-11528 (2022)

مصطلحات موضوعية: ∗-ricci flat, ∗-ricci semi-symmetric, parallel ∗-ricci operator, (κ, μ)-contact manifolds, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/6ff84abc56f8464ab0439c8b5535bef4

المؤلفون: Kemeng Liu, Zewen Li, Donghe Pei

المصدر: Mathematics, Vol 11, Iss 17, p 3714 (2023)

مصطلحات موضوعية: surfaces of osculating circles, framed surfaces, singularities, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/11/17/3714; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/8f60c80621a34e849c52ea6cc0c890c2

المؤلفون: Rongsheng Ma, Donghe Pei

المصدر: Mathematics, Vol 11, Iss 1, p 90 (2022)

مصطلحات موضوعية: Reeb-flow-invariant ∗-Ricci operator, Reeb-parallel ∗-Ricci operator, semi-symmetric ∗-Ricci tensor, singular-unit normal vector field, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/11/1/90; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/18afa4adb31143faa8257e0c61081a21

المؤلفون: Cuilian Zhang, Donghe Pei

المصدر: IEEE Access, Vol 7, Pp 72072-72075 (2019)

مصطلحات موضوعية: Optical reflection, optical propagation, optical surface waves, optical imaging, geometry, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/8720032/; https://doaj.org/toc/2169-3536

URL الوصول: https://doaj.org/article/317f7d0093e645bbb20ad191a8e032c4

المؤلفون: Xin Zhao, Donghe Pei

المصدر: Advances in Mathematical Physics, Vol 2021 (2021)

مصطلحات موضوعية: Physics, QC1-999

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1687-9139

URL الوصول: https://doaj.org/article/aa7bd8e7ba4e4bafa3395f73fe50a6a2

المؤلفون: Meixuan Li, Kaixin Yao, Pengcheng Li, Donghe Pei

المصدر: Symmetry, Vol 14, Iss 1, p 59 (2022)

مصطلحات موضوعية: pedal curve, singularity, B-Gauss map, Minkowski 3-space, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2073-8994/14/1/59; https://doaj.org/toc/2073-8994

URL الوصول: https://doaj.org/article/204ecd249d4a42b2b08bdffb8dec4b4e

المؤلفون: Xin Zhao, Donghe Pei

المصدر: Mathematics, Vol 9, Iss 22, p 2852 (2021)

مصطلحات موضوعية: pedal curve, mixed-type curve, lightlike point, Lorentz–Minkowski plane, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/22/2852; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/6f577548fab343478590c9f9824c734a