activity
20192026
most citedA complete Heyting algebra whose Scott space is non-sober

5 citations · 22 across the 32 of their papers we have counts for

collaborators

32 papers

cs.PL2026

Bona: Automatic Management of Dirty Ancilla Borrowing in Quantum Circuits

Xiaoquan Xu, Chenke Liu, Boning Meng +2

The management of ancilla qubits has become a critical technique for reducing quantum circuit width. Dirty ancillas, which may be borrowed from any temporarily idle qubit regardles…

math.GN2026

Characterization of -spaces for quasi-liminf convergence being topological

Xinpeng Wen, Xiaoquan Xu

The authors' primary goal in this paper is to extend some important results related to the liminf-convergence and -convergence in domain theory to the setting of $T_0…

math.GN2026

On strong -spaces

Xinpeng Wen, Meng Bao, Xiaoquan Xu

In this paper, we mainly investigate some basic properties of strong -spaces. It is shown that the property of being a strong -space is closed-hereditary, saturated-hereditar…

math.GN2026

On three problems about well-filteredness of -spaces

Xiaoquan Xu, Xinpeng Wen

In this paper, we show that there is a countable Noetherian complete lattice and an order-compatible -topology on such that is not well-filtered, and there…

math.GN2026

Some new results on well-filteredness of -spaces

Xiaoquan Xu

For a -space , let be the poset of nonempty compact saturated sets of with the reverse inclusion order. The space is said to have property Q if it satisfies…

cs.LO2023★ 1 cited

Refinement calculus of quantum programs with projective assertions

Yuan Feng, Li Zhou, Yingte Xu

Refinement calculus provides a structured framework for the progressive and modular development of programs, ensuring their correctness throughout the refinement process. This pape…

math.GN2022★ 1 cited

On sobriety of Scott topology on dcpos

Xiaoquan Xu

In this paper, we mainly investigate the conditions under which the Scott topology on the product of two posets is equal to the product of the individual Scott topologies and under…

math.GN2022

-quasicontinuous spaces

Xiaojun Ruan, Xiaoquan Xu

In this paper, as a common generalization of -continuous spaces and -quasicontinuous posets, we introduce the concepts of -quasicontinuous spaces and $\mathc…

math.GN2022

On Scott power spaces

Xiaoquan Xu, Xinpeng Wen, Xiaoyong Xi

In this paper, we mainly discuss some basic properties of Scott power spaces. For a space , let be the poset of all nonempty compact saturated subsets of $…

math.GN2022

On some kinds of factorizable topological groups

Meng Bao, Xiaoquan Xu

Based on the concepts of -factorizable topological groups and -factorizable topological groups, we introduce four classes of factorizabilities on topologic…

math.GM2022★ 1 cited

On -reflections of Scott spaces

Xiaoquan Xu

In this paper, for a full subcategory of the category of all spaces with continuous mappings, we investigate the questions under what conditions the …

math.GM2022

Non-reflective categories of some kinds of weakly sober spaces

Xinpeng Wen, Xiaoquan Xu

Erné weakened the concept of sobriety in order to extend the theory of sober spaces and locally hypercompact spaces to situations where directed joins were missing, and introduced…

math.GN2022

On Function Spaces Related to H-sober Spaces

Meng Bao, Xiaoyuan Zhang, Xiaoquan Xu

In this paper, we mainly study the function spaces related to H-sober spaces. For an irreducible subset system H and spaces and , it is proved that is H-sober if…

math.GN2022

Quotient spaces with strong subgyrogroups

Meng Bao, Xuewei Ling, Xiaoquan Xu

In this paper, we mainly investigate the quotient spaces G/H when G is a strongly topological gyrogroup and H is a strong subgyrogroup of G. It is shown that if G is a strongly top…

math.GN2022

A supplement on feathered gyrogroups

Meng Bao, Xuewei Ling, Xiaoquan Xu

A topological gyrogroup is a gyrogroup endowed with a topology such that the binary operation is jointly continuous and the inverse mapping is also continuous. It is shown that eac…

math.GN2021

A class of quotient spaces in strongly topological gyrogroups

Meng Bao, Jie Wang, Xiaoquan Xu

Quotient space is a class of the most important topological spaces in the research of topology. In this paper, we show that if G is a strongly topological gyrogroup with a symmetri…

math.GN2021★ 4 cited

Topological gyrogroups with Frechet-Urysohn property and omega^{omega}-base

Meng Bao, Xiaoyuan Zhang, Xiaoquan Xu

The concept of topological gyrogroups is a generalization of a topological group. In this work, ones prove that a topological gyrogroup G is metrizable iff G has an ωω-base and G i…

math.GN2021

The strong Pytkeev property and strong countable completeness in (strongly) topological gyrogroups

Meng Bao, Xiaoyuan Zhang, Xiaoquan Xu

A topological gyrogroup is a gyrogroup endowed with a topology such that the binary operation is jointly continuous and the inverse mapping is also continuous. In this paper, it is…

math.GN2021★ 2 cited

Strongly Topological Gyrogroups and Quotient With Respect to L-subgyrogroups

Meng Bao, Xuewei Ling, Xiaoquan Xu

In this paper, some generalized metric properties in strongly topological gyrogroups are studied.

math.GN2020★ 2 cited

Separability in (strongly) topological gyrogroups

Meng Bao, Xiaoyuan Zhang, Xiaoquan Xu

Separability is one of the most basic and important topological properties. In this paper, the separability in (strongly) topological gyrogroups is studied. It is proved that every…

math.GN2020

-Rudin spaces, well-filtered determined spaces and first-countable spaces

Xiaoquan Xu, Chong Shen, Xiaoyong Xi +1

We investigate some versions of -space, well-filtered space and Rudin space concerning various countability properties. The main results include: (i) if the sobrification of a $…

math.GN2020★ 1 cited

Some open problems on well-filtered spaces and sober spaces

Xiaoquan Xu, Dongsheng Zhao

In the past few years, the research on sober spaces and well-filtered spaces has got some breakthrough progress. In this paper, we shall present a brief summarising survey on some…

math.GN2020

On H-sober spaces and H-sobrifications of spaces

Xiaoquan Xu

In this paper, we provide a uniform approach to -spaces, sober spaces and well-filtered spaces, and develop a general framework for dealing with all these spaces. For a subset s…

math.GN2020

Coincidence of the upper Vietoris topology and the Scott topology

Xiaoquan Xu, Zhongqiang Yang

For a space , let $\mk (X)$ be the poset of all compact saturated sets of with the reverse inclusion order. The space is said to have property Q if for any $K_1, K…