Projects per year
Personal profile
Research Expertise
Operator theory, matrix analysis
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Dive into the research topics where Hwa-Long Gau is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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A Study on Numerical Radii of Tensor Products and Hadamard Products of Matrices
Gau, H.-L. (PI)
1/08/20 → 31/07/21
Project: Research
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A Study on Matrices with Circular Numerical Ranges
Gau, H.-L. (PI)
1/08/19 → 31/07/20
Project: Research
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A Study on Equality Case of Some Numerical Radius Inequalities
Gau, H.-L. (PI)
1/08/18 → 31/07/19
Project: Research
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Constants related to powers of ρ-contractions
Gau, H. L. & Wang, K. Z., 1 Jul 2025, In: Journal of Mathematical Analysis and Applications. 547, 1, 129345.Research output: Contribution to journal › Article › peer-review
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Compressions and direct sums
Gau, H. L. & Wu, P. Y., Jan 2024, In: Advances in Operator Theory. 9, 1, 5.Research output: Contribution to journal › Article › peer-review
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Proof of a conjecture on numerical ranges of weighted cyclic matrices
Gau, H. L., 1 Feb 2024, In: Linear Algebra and Its Applications. 682, p. 295-308 14 p.Research output: Contribution to journal › Article › peer-review
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Extremality of bounds for numerical radii of Foguel operators
Gau, H. L., Li, C. K., Wang, K. Z. & Wu, P. Y., 1 Dec 2023, In: Journal of Mathematical Analysis and Applications. 528, 1, 127484.Research output: Contribution to journal › Article › peer-review
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Numerical range of the Foguel–Halmos operator
Gau, H. L., Wang, K. Z. & Wu, P. Y., 2022, In: Studia Mathematica. 263, 3, p. 267-292 26 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations