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Lê Thị Thanh Nhàn (born March 23, 1970) [1] is a Vietnamese mathematician who is a professor of mathematics and vice rector for the College of Science at Thái Nguyên University. [2] Her research concerns commutative algebra and algebraic geometry .
Hàn Mặc Tử's early poems—praised by Phan Bội Châu—are famous for their purity of diction and form, and show him to be a fluent Classicist with a strong interest in realistic subjects. Subsequently, his poetry showed the influence of French Symbolism , and after he fell sick, became increasingly violent and despondent.
Chử Đồng Tử (Chữ Hán: 褚童子) is the name of a famous Vietnamese divine being, one of "The Four Immortals" "Tứ bất tử" in traditional Vietnamese mythology. [1] In legend Chử Đồng Tử appeared on a yellow or golden dragon to Triệu Quang Phục the sixth-century resistance leader.
𤾓 Trăm 𢆥 năm 𥪞 trong 𡎝 cõi 𠊛 người 些， ta, 𤾓 𢆥 𥪞 𡎝 𠊛 些， Trăm năm trong cõi người ta, A hundred years in the realm of humanity, 2) 𡨸 Chữ 才 tài 𡨸 chữ 命 mệnh 窖 khéo 𱺵 là 恄 ghét 𠑬。 nhau. 𡨸 才 𡨸 命 窖 𱺵 恄 𠑬。 Chữ tài chữ mệnh khéo là ghét nhau. Talent and destiny resent each other. 3) 𣦰 ...
The convex regular 4-polytopes were first described by the Swiss mathematician Ludwig Schläfli in the mid-19th century. [1] He discovered that there are precisely six such figures. Schläfli also found four of the regular star 4-polytopes: the grand 120-cell, great stellated 120-cell, grand 600-cell, and great grand stellated 120-cell.
[2] [3] [4] The determinant of the Hessian matrix, when evaluated at a critical point of a function, is equal to the Gaussian curvature of the function considered as a manifold. The eigenvalues of the Hessian at that point are the principal curvatures of the function, and the eigenvectors are the principal directions of curvature.
The Four Immortals (Vietnamese: Tứ bất tử, chữ Hán: 四不死) refers to the four chief figures in the pantheon of genii worshiped by the Vietnamese people of the Red River Delta region in legend and mythology. [1]
During his career, Phan used several pen names, including Sào Nam (巢 南), Thị Hán (是 漢), Độc Tỉnh Tử (獨 醒 子), Việt Điểu, and Hàn Mãn Tử. Early years Phan was born as Phan Văn San ( 潘 文 珊 ) in the village of Sa Nam, Nam Đàn District of the northern central province of Nghệ An .