Zobrazeno 1 - 10
of 286
pro vyhledávání: '"Quang, Hoa"'
We classify all graphs for which the Rees algebras of their edge ideals are normal and have regularity equal to their matching numbers.
Externí odkaz:
http://arxiv.org/abs/2405.11604
In this paper, we study the connectedness of the commuting graph of a general Lie algebra and provide a process to determine whether the commuting graph is connected or not, as well as to compute an upper bound for its diameter. In addition, we will
Externí odkaz:
http://arxiv.org/abs/2405.06521
Autor:
Nguyen, Hop D., Tran, Quang Hoa
Given a base field $\Bbbk$ of characteristic zero, for each graph $G$, we associate the artinian algebra $A(G)$ defined by the edge ideal of $G$ and the squares of the variables. We study the weak Lefschetz property of $A(G)$. We classify some classe
Externí odkaz:
http://arxiv.org/abs/2310.14368
We study chains of nonzero edge ideals that are invariant under the action of the monoid $\mathrm{Inc}$ of increasing functions on the positive integers. We prove that the sequence of Castelnuovo--Mumford regularity of ideals in such a chain is event
Externí odkaz:
http://arxiv.org/abs/2212.06621
Autor:
Phuong, Ho V. N., Tran, Quang Hoa
A standard graded artinian monomial complete intersection algebra $A=\Bbbk[x_1,x_2,\ldots,x_n]/(x_1^{a_1},x_2^{a_2},\ldots,x_n^{a_n})$, with $\Bbbk$ a field of characteristic zero, has the strong Lefschetz property due to Stanley in 1980. In this pap
Externí odkaz:
http://arxiv.org/abs/2211.13548
We give a classification of real solvable Lie algebras whose non-trivial coadjoint orbits of corresponding simply connected Lie groups are all of codimension 2. These Lie algebras belong to a well-known class, called the class of MD-algebras.
Co
Co
Externí odkaz:
http://arxiv.org/abs/2207.14719
Autor:
Nguyen, Thu Phuong, Nguyen, Quang Khanh, Shanmugam, Ramasamy, Sharma, Shuchi, Thuy Phan, Thi Thanh, Pham, Hoang Giang, Nguyen, Huy Tiep, Nguyen, Quang Hoa, Nguyen, Thi Xuyen, Pham, Bach, Mai Pham, Thi Ngoc, Gangavarapu, Ranga Rao, Su, Yen-Hsun, Ting, Jyh-Ming, Pham, Duc Thang
Publikováno v:
In Materials Chemistry and Physics 1 September 2024 323
Publikováno v:
In Materials Chemistry and Physics 1 January 2025 329
Autor:
Tran, Van Tan, Le, Minh Phuong, Pham, Nguyen Hai, Le, Thi Hai Yen, Nguyen, Viet Tuyen, Pham, Thi Hong, Nguyen, Tan San, Nguyen, Quang Hoa, Pham, Van Thanh, Nguyen, Trong Tam, Nguyen, Cong Toan, Ngac, An Bang, Martínez Sacristán, Oscar, Tran, Thi Ha
Publikováno v:
In Applied Surface Science 1 June 2024 657
We give a complete classification of the class of Lie algebras of simply connected real Lie groups whose nontrivial coadjoint orbits are of codimension 1. Such a Lie group belongs to a well-known class, called the class of MD-groups. The Lie algebra
Externí odkaz:
http://arxiv.org/abs/2108.08159