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- HUNG LE PHAM
- 2008

We give a description of the continuity ideals and the kernels of homomorphisms from the algebras of continuous functions on locally compact spaces into Banach algebras.

- HUNG LE PHAM
- 2007

We establish a necessary condition for a commutative Banach algebra A so that there exists a homomorphism θ from A into another Banach algebra such that the prime radical of the continuity ideal of θ is not a finite intersection of prime ideals in A. We prove that the prime radical of the continuity ideal of an epimorphism from A onto another Banach algebra… (More)

- W van Palenstein Helderman, F Mikx, G J Truin, T H Hoang, H L Pham
- International dental journal
- 2000

AIM
To present the case for a primary health care (PHC) approach for dental care in Vietnam, and thereby contribute to a better understanding of the oral health problems that exist in many developing countries.
METHODS
Information was obtained in Vietnam through discussions with dental and medical authorities of provincial health offices, educational… (More)

- HUNG LE PHAM
- 2008

Denote by c = 2א0 the cardinal of continuum. We construct an intriguing family (Pα : α ∈ c) of prime z-ideals in C0(R) with the following properties: • If f ∈ Pi0 for some i0 ∈ c, then f ∈ Pi for all but finitely many i ∈ c; • T i6=i0 Pi 6⊂ Pi0 for each ı0 ∈ c. We also construct a well-ordered increasing chain, as well as a well-ordered decreasing chain, of… (More)

For a locally compact group G, the measure convolution algebra M(G) carries a natural coproduct. In previous work, we showed that the canonical predual C0(G) of M(G) is the unique predual which makes both the product and the coproduct on M(G) weak∗-continuous. Given a discrete semigroup S, the convolution algebra l(S) also carries a coproduct. In this paper… (More)

- HUNG LE PHAM
- 2008

Let R be a commutative radical Fréchet algebra having a nonnilpotent element a with a ∈ Ra. Then R contains a continuum of incomparable prime ideals. In [3], J. Esterle proved the following result; it is a main ingredient in his proof that epimorphisms from C0(Ω) onto Banach algebras are continuous. Theorem (Esterle). Let R be a commutative radical Banach… (More)

We investigate possible preduals of the measure algebra M(G) of a locally compact group and the Fourier algebra A(G) of a separable compact group. Both of these algebras are canonically dual spaces and the canonical preduals make the multiplication separately weak∗-continuous so that these algebras are dual Banach algebras. In this paper we find additional… (More)

We investigate possible preduals of the measure algebra M(G) of a locally compact group and the Fourier algebra A(G) of a separable compact group. Both of these algebras are canonically dual spaces and the canonical preduals make the multiplication separately weak∗-continuous so that these algebras are dual Banach algebras. In this paper we find additional… (More)

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