Publications

Chang, G. W. & Chun, S. (2026). How many principal prime ideals are there in a polynomial ring?. Journal of Algebra and its Applications, 25(6). https://doi.org/10.1142/S0219498826500325

Chang, G. W. & Reinhart, A. (2026). VALUATION IDEAL FACTORIZATION DOMAINS. Journal of Commutative Algebra, 18(1), 29–55. https://doi.org/10.1216/jca.2026.18.29

Chang, G. W. & Jeon, G. W. (2025). DECIMAL EXPANSION OF THE SQUARE ROOT OF A NONNEGATIVE INTEGER. Korean Journal of Mathematics, 33(2), 39–43. https://doi.org/10.11568/kjm.2025.33.2.39-43

Chang, G. W. & Kang, B. G. (2025). Integral closure of an affine algebra. Communications in Algebra, 53(4), 1344–1360. https://doi.org/10.1080/00927872.2024.2408415

Chang, G. W., Kim, H., & Tamoussit, A. (2025). Associated prime dimensions and t-dimensions in integral domains. Communications in Algebra, 53(11), 4778–4792. https://doi.org/10.1080/00927872.2025.2498052

Whan Chang, G. (2025). When do the rings R[X] and R[[X]] become generalized Krull rings. Rendiconti del Circolo Matematico di Palermo, 74(1). https://doi.org/10.1007/s12215-024-01150-z

Chang, G. W. & Choi, H. S. (2024). IDEAL FACTORIZATION IN STRONGLY DISCRETE INDEPENDENT RINGS OF KRULL TYPE, II. Rocky Mountain Journal of Mathematics, 54(4), 975–994. https://doi.org/10.1216/rmj.2024.54.975

Chang, G. W. & Geroldinger, A. (2024). On Dedekind domains whose class groups are direct sums of cyclic groups. Journal of Pure and Applied Algebra, 228(1). https://doi.org/10.1016/j.jpaa.2023.107470

Zhang, X., Chang, G. W., Kim, H., & Zhou, D. (2024). Coherence and weak factoriality in a certain pullback. Communications in Algebra, 52(8), 3248–3263. https://doi.org/10.1080/00927872.2024.2316901

Chang, G. W. & Choi, H. S. (2023). Ideal factorization in strongly discrete independent rings of Krull type. Journal of Algebra and its Applications, 22(2). https://doi.org/10.1142/S0219498823500457

Chang, G. W. & Kim, H. (2023). A characterization of Krull domains in terms of their factor rings. Communications in Algebra, 51(3), 1280–1292. https://doi.org/10.1080/00927872.2022.2134404

Chang, G. W. & Kim, H. (2023). Prüfer rings in a certain pullback. Communications in Algebra, 51(5), 2045–2063. https://doi.org/10.1080/00927872.2022.2149766

Chang, G. W. & Oh, J. S. (2023). PRIME FACTORIZATION OF IDEALS IN COMMUTATIVE RINGS, WITH A FOCUS ON KRULL RINGS. Journal of the Korean Mathematical Society, 60(2), 407–464. https://doi.org/10.4134/JKMS.j220271

Chang, G. W. & Oh, J. S. (2022). The monoid of regular elements in commutative rings with zero divisors. Communications in Algebra, 50(3), 1182–1198. https://doi.org/10.1080/00927872.2021.1979028

Chang, G. W. & Oh, J. S. (2022). WHEN DOES A QUOTIENT RING OF A PID HAVE THE CANCELLATION PROPERTY?. International Electronic Journal of Algebra, 32(32), 86–90. https://doi.org/10.24330/ieja.1102363

Chang, G. W. & Toan, P. T. (2022). Polynomial and power series ring extensions from sequences. Journal of Algebra and its Applications, 21(3). https://doi.org/10.1142/S0219498822500487

Chang, G. W. & Toan, P. T. (2022). Twisted Polynomial and Power Series Rings. Bulletin of the Iranian Mathematical Society, 48(1), 93–110. https://doi.org/10.1007/s41980-020-00503-5

Chang, G. W. (2022). THE IDEAL CLASS GROUP OF POLYNOMIAL OVERRINGS OF THE RING OF INTEGERS. Journal of the Korean Mathematical Society, 59(3), 571–594. https://doi.org/10.4134/JKMS.j210419

Chang, G. W., Fadinger, V., & Windisch, D. (2022). SEMIGROUP RINGS AS WEAKLY KRULL DOMAINS. Pacific Journal of Mathematics, 318(2), 433–452. https://doi.org/10.2140/pjm.2022.318.433

Chang, G. W. & Kim, H. (2021). Two Extensions of a Star Operation on D to the Polynomial Ring D[X]. Kyungpook Mathematical Journal, 61(1), 23–32. https://doi.org/10.5666/KMJ.2021.61.1.23

Chang, G. W. & Toan, P. T. (2021). Subrings of the power series ring over a principal ideal domain. Communications in Algebra, 49(9), 3748–3759. https://doi.org/10.1080/00927872.2021.1905824

Chang, G. W. (2021). Every abelian group is the class group of a ring of krull type. Journal of the Korean Mathematical Society, 58(1), 149–171. https://doi.org/10.4134/JKMS.j200010

Chang, G. W. (2021). Unique factorization property of non-unique factorization domains. Journal of Algebra and its Applications, 20(3). https://doi.org/10.1142/S0219498821500389

Chang, G. W. (2021). vc -Noetherian domains and Krull domains. Arabian Journal of Mathematics, 10(2), 351–356. https://doi.org/10.1007/s40065-021-00318-0

Chang, G. W. & Hamdi, H. (2020). Graded Prüfer domains with Clifford homogeneous class semigroups. Communications in Algebra, 48(2), 508–522. https://doi.org/10.1080/00927872.2019.1648653

Chang, G. W. & Kang, B. G. (2020). On Krull rings with zero divisors. Communications in Algebra, 49(1), 207–215. https://doi.org/10.1080/00927872.2020.1797071

Chang, G. W. & Kim, H. (2020). Divisibility Properties of the Semiring of Ideals of an Integral Domain. Algebra Colloquium, 27(3), 369–380. https://doi.org/10.1142/S1005386720000309

Chang, G. W. & Kim, H. (2020). Integral Domains Whose w-Integral Closures Are Krull Domains. Algebra Colloquium, 27(2), 287–298. https://doi.org/10.1142/S1005386720000231

Chang, G. W. & Oh, D. Y. (2020). Divisibility properties of twisted semigroup rings. Communications in Algebra, 48(3), 1191–1200. https://doi.org/10.1080/00927872.2019.1677693

Chang, G. W. & Reinhart, A. (2020). Unique factorization property of non-unique factorization domains II. Journal of Pure and Applied Algebra, 224(12). https://doi.org/10.1016/j.jpaa.2020.106430

Chang, G. W. (2020). Kronecker function rings and power series rings. Journal of Commutative Algebra, 12(1), 27–51. https://doi.org/10.1216/jca.2020.12.27

Chang, G. W. (2020). UMT-domains: A Survey. Springer Proceedings in Mathematics and Statistics, 321, 55–77. https://doi.org/10.1007/978-3-030-43416-8_3

Chang, G. W. & Hamdi, H. (2019). Bazzoni’s conjecture and almost Prüfer domains. Communications in Algebra, 47(7), 2931–2940. https://doi.org/10.1080/00927872.2018.1543426

Chang, G. W. & Hamdi, H. (2019). Noetherian extensions of commutative rings. Journal of Algebra, 534, 344–357. https://doi.org/10.1016/j.jalgebra.2019.05.039

Chang, G. W. & Kim, H. (2019). David Anderson’s work on graded integral domains. Trends in Mathematics, 197–216. https://doi.org/10.1007/978-981-13-7028-1_10

Chang, G. W. & Oh, D. Y. (2019). Semigroup rings as weakly factorial domains, II. International Journal of Algebra and Computation, 29(3), 407–418. https://doi.org/10.1142/S0218196719500085

Chang, G. W. & Smertnig, D. (2019). Correction to: Factorization in the self-idealization of a PID (Bollettino dell'Unione Matematica Italiana, (2019), 12, 3, (515-516), 10.1007/s40574-018-0161-5). Bolletino dell Unione Matematica Italiana, 12(3), 515–516. https://doi.org/10.1007/s40574-018-0161-5

Chang, G. W., Hamdi, H., & Sahandi, P. (2019). Graded integral domains in which each nonzero homogeneous ideal is divisorial. Bulletin of the Korean Mathematical Society, 56(4), 1041–1057. https://doi.org/10.4134/BKMS.b180870

Chang, G. W., Hamdi, H., & Sahandi, P. (2019). Graded integral domains in which each nonzero homogeneous t -ideal is divisorial. Journal of Algebra and its Applications, 18(1). https://doi.org/10.1142/S021949881950018X

Anderson, D. F., Chang, G. W., & Zafrullah, M. (2018). Graded Prüfer domains. Communications in Algebra, 46(2), 792–809. https://doi.org/10.1080/00927872.2017.1327595

Chang, G. W. & Kang, B. G. (2018). The completion and Krull’s generalized principal ideal theorem on r-Noetherian rings. Communications in Algebra, 46(3), 1231–1236. https://doi.org/10.1080/00927872.2017.1350698

Chang, G. W. & Oh, D. Y. (2018). Discrete valuation overrings of a graded Noetherian domain. Journal of Commutative Algebra, 10(1), 45–61. https://doi.org/10.1216/JCA-2018-10-1-45

Chang, G. W. & Sahandi, P. (2018). Graded integral domains which are UMT-domains. Communications in Algebra, 46(6), 2742–2752. https://doi.org/10.1080/00927872.2017.1399406

Chang, G. W. & Sahandi, P. (2018). Graded-Noetherian property in pullbacks of graded integral domains. Ricerche di Matematica, 67(2), 699–707. https://doi.org/10.1007/s11587-018-0357-0

Chang, G. W. & Sahandi, P. (2018). UMT-Domain Property in Pullbacks of Graded Integral Domains. Bulletin of the Iranian Mathematical Society, 44(3), 623–641. https://doi.org/10.1007/s41980-018-0040-y

Chang, G. W. (2018). Weakly factorial property of a generalized REEs ring D[X,D/X]. Rocky Mountain Journal of Mathematics, 48(7), 2175–2185. https://doi.org/10.1216/RMJ-2018-48-7-2175

Anderson, D. F., Chang, G. W., & Zafrullah, M. (2017). On locally AGCD domains. Journal of Algebra and its Applications, 16(2). https://doi.org/10.1142/S0219498817500281

Anderson, D., Anderson, D. F., & Chang, G. W. (2017). Graded-valuation domains. Communications in Algebra, 45(9), 4018–4029. https://doi.org/10.1080/00927872.2016.1254784

Chang, G. W. & Kim, H. (2017). Radical perfectness of prime ideals in certain integral domains. Journal of Commutative Algebra, 9(1), 31–48. https://doi.org/10.1216/JCA-2017-9-1-31

Chang, G. W. & Oh, D. Y. (2017). Integral domains with finitely many spectral semistar operations. Frontiers of Mathematics in China, 12(1), 35–49. https://doi.org/10.1007/s11464-016-0587-y

Chang, G. W. & Oh, D. Y. (2017). On t-almost Dedekind graded domains. Bulletin of the Korean Mathematical Society, 54(6), 1969–1980. https://doi.org/10.4134/BKMS.b160652

Chang, G. W. (2017). Graded integral domains and Prüfer-like domains. Journal of the Korean Mathematical Society, 54(6), 1733–1757. https://doi.org/10.4134/JKMS.j160625

Chang, G. W. (2017). Power series rings over prüfer v-multiplication domains. II. Canadian Mathematical Bulletin, 60(1), 63–76. https://doi.org/10.4153/CMB-2016-046-5

Anderson, D. F. & Chang, G. W. (2016). Graded integral domains whose nonzero homogeneous ideals are invertible. International Journal of Algebra and Computation, 26(7), 1361–1368. https://doi.org/10.1142/S0218196716500582

Chang, G. W. & Kim, H. (2016). Valuation ideals and primary w-ideals. Frontiers of Mathematics in China, 11(4), 829–844. https://doi.org/10.1007/s11464-016-0554-7

Chang, G. W. (2016). Bezout Overrings of a Polynomial Ring D[{Xα. Communications in Algebra, 44(8), 3211–3218. https://doi.org/10.1080/00927872.2015.1065869

Chang, G. W. (2016). Power series over Noetherian domains, Nagata rings, and Kronecker function rings. Journal of Algebra, 468, 337–353. https://doi.org/10.1016/j.jalgebra.2016.07.040

Chang, G. W. (2016). Power series rings over prüfer ν-multiplication domains. Journal of the Korean Mathematical Society, 53(2), 447–459. https://doi.org/10.4134/JKMS.2016.53.2.447

Chang, G. W., Dumitrescu, T., & Zafrullah, M. (2016). Locally GCD domains and the ring D + XDS[X]. Bulletin of the Iranian Mathematical Society, 42(2), 263–284.

Chang, G. W., Houston, E., & Park, M. H. (2016). Star operations on strong mori domains. Houston Journal of Mathematics, 42(2), 427–446.

Chang, G. W., Kim, H., & Wang, F. (2016). On piecewise noetherian domains. Journal of the Korean Mathematical Society, 53(3), 623–643. https://doi.org/10.4134/JKMS.j150213

Anderson, D. F. & Chang, G. W. (2015). Overrings as Intersections of Localizations of an Integral Domain. Communications in Algebra, 43(1), 225–235. https://doi.org/10.1080/00927872.2014.897569

Anderson, D., Chang, G. W., & Zafrullah, M. (2015). Nagata-like theorems for integral domains of finite character and finite t-character. Journal of Algebra and its Applications, 14(8). https://doi.org/10.1142/S0219498815501194

Chang, G. W. (2015). Star operations on Prüfer v-multiplication domains. Journal of Commutative Algebra, 7(4), 523–543. https://doi.org/10.1216/JCA-2015-7-4-523

Chang, G. W. (2015). The A+XB[X] construction from Prüfer v-multiplication domains. Journal of Algebra, 439, 417–437. https://doi.org/10.1016/j.jalgebra.2015.05.030

Chang, G. W. (2015). Uppers to zero in polynomial rings which are maximal ideals. Bulletin of the Korean Mathematical Society, 52(2), 525–530. https://doi.org/10.4134/BKMS.2015.52.2.525

Chang, G. W., Kang, B. G., & Toan, P. T. (2015). The Krull dimension of power series rings over almost Dedekind domains. Journal of Algebra, 438, 170–187. https://doi.org/10.1016/j.jalgebra.2015.05.010

Chang, G. W., Kim, H., & Oh, D. Y. (2015). Kaplansky-type theorems in graded integral domains. Bulletin of the Korean Mathematical Society, 52(4), 1253–1268. https://doi.org/10.4134/BKMS.2015.52.4.1253

Anderson, D., Chang, G. W., & Zafrullah, M. (2014). Corrigendum to. Journal of Algebra, 405, 35–37. https://doi.org/10.1016/j.jalgebra.2014.01.024

Chang, G. W. & Oh, D. Y. (2014). Valuation overrings of a Noetherian domain. Journal of Pure and Applied Algebra, 218(6), 1081–1083. https://doi.org/10.1016/j.jpaa.2013.11.004

Chang, G. W. (2014). Rings of Formal Power Series in an Infinite Set of Indeterminates. Communications in Algebra, 42(10), 4182–4187. https://doi.org/10.1080/00927872.2013.806518

Anderson, D. F. & Chang, G. W. (2013). Graded integral domains and Nagata rings. Journal of Algebra, 387, 169–184. https://doi.org/10.1016/j.jalgebra.2013.04.021

Anderson, D., Chang, G. W., & Zafrullah, M. (2013). Integral domains of finite t-character. Journal of Algebra, 396, 169–183. https://doi.org/10.1016/j.jalgebra.2013.08.014

Chang, G. W. & Lim, J. W. (2013). Almost Prüfer v-Multiplication Domains and Related Domains of the Form D + D S[Γ*]. Communications in Algebra, 41(7), 2650–2664. https://doi.org/10.1080/00927872.2012.660264

Chang, G. W. & Oh, D. Y. (2013). The rings D((X))i and D{{X. Journal of Algebra and its Applications, 12(2). https://doi.org/10.1142/S0219498812501472

Chang, G. W. & Smertnig, D. (2013). Factorization in the self-idealization of a PID. Bollettino dell'Unione Matematica Italiana, 6(2), 363–377.

Chang, G. W. (2013). Prüfer v-multiplication domains and valuation. Houston Journal of Mathematics, 39(2), 363–371.

Chang, G. W. (2013). Strong mori modules over an integral domain. Bulletin of the Korean Mathematical Society, 50(6), 1905–1914. https://doi.org/10.4134/bkms.2013.50.6.1905

Chang, G. W., Fontana, M., & Park, M. H. (2013). Polynomial extensions of semistar operations. Journal of Algebra, 390, 250–263. https://doi.org/10.1016/j.jalgebra.2013.05.020

Chang, G. W., Kim, H., & Lim, J. W. (2013). Integral Domains in which Every Nonzero t-Locally Principal Ideal is t-Invertible. Communications in Algebra, 41(10), 3805–3819. https://doi.org/10.1080/00927872.2012.678022

Chang, G. W., Kim, H., & Lim, J. W. (2013). Two generalizations of LCM-stable extensions. Journal of the Korean Mathematical Society, 50(2), 393–410. https://doi.org/10.4134/JKMS.2013.50.2.393

Chang, G. W. & Oh, D. Y. (2012). When D((X)) and D{{X. Journal of Pure and Applied Algebra, 216(2), 276–279. https://doi.org/10.1016/j.jpaa.2011.06.009

Chang, G. W. (2012). On the cardinality of stable star operations of finite type on an integral domain; [Sur le cardinal des opérations étoile stables de type fini d'un anneau intègre]. Comptes Rendus Mathematique, 350(11-12), 557–560. https://doi.org/10.1016/j.crma.2012.05.015

Chang, G. W., Kim, H., & Lim, J. W. (2012). Almost factoriality of integral domains and krull-like domains. Pacific Journal of Mathematics, 260(1), 129–148. https://doi.org/10.2140/pjm.2012.260.129

Chang, G. W., Kim, H., & Lim, J. W. (2012). Numerical Semigroup Rings and Almost Prüfer v-Multiplication Domains. Communications in Algebra, 40(7), 2385–2399. https://doi.org/10.1080/00927872.2011.643519

Chang, G. W. & Fontana, M. (2011). An overring-theoretic approach to polynomial extensions of star and semistar operations. Communications in Algebra, 39(6), 1956–1978. https://doi.org/10.1080/00927872.2010.480959

Chang, G. W. & Kang, B. G. (2011). Prüfer-Like Domains and the Nagata Ring of Integral Domains. Communications in Algebra, 39(11), 4246–4258. https://doi.org/10.1080/00927872.2010.522640

Chang, G. W. & Kim, H. (2011). Integral Domains With A Free Semigroup Of *-Invertible Integral *-Ideals. Bulletin of the Korean Mathematical Society, 48(6), 1207–1218. https://doi.org/10.4134/BKMS.2011.48.6.1207

Chang, G. W. & Kim, H. (2011). Kaplansky-type theorems, II. Kyungpook Mathematical Journal, 51(3), 339–344. https://doi.org/10.5666/KMJ.2011.51.3.339

Chang, G. W. (2011). Every divisor class of Krull monoid domains contains a prime ideal. Journal of Algebra, 336(1), 370–377. https://doi.org/10.1016/j.jalgebra.2011.03.015

Chang, G. W. (2011). Noetherian domains and the ring D[X]N, II. Journal of the Korean Mathematical Society, 48(1), 49–61. https://doi.org/10.4134/JKMS.2011.48.1.049

Chang, G. W. (2010). The Kronecker function ring of the ring D[X]N*. Bulletin of the Korean Mathematical Society, 47(5), 907–913. https://doi.org/10.4134/BKMS.2010.47.5.907

Chang, G. W., Kang, B. G., & Lim, J. W. (2010). Prüfer v-multiplication domains and related domains of the form D+DS[Γ*]. Journal of Algebra, 323(11), 3124–3133. https://doi.org/10.1016/j.jalgebra.2010.03.010

Chang, G. W. & Fontana, M. (2009). Uppers to zero in polynomial rings and prufer-like domains. Communications in Algebra, 37(1), 164–192. https://doi.org/10.1080/00927870802243564

Chang, G. W. (2009). Characterizations of *-Cancellation Ideals of an Integral Domain. Communications in Algebra, 37(9), 3309–3320. https://doi.org/10.1080/00927870802502795

Chang, G. W. (2009). Overrings of the kronecker function ring Kr(D, *) of a prüfer *-multiplication domain D. Bulletin of the Korean Mathematical Society, 46(5), 1013–1018. https://doi.org/10.4134/BKMS.2009.46.5.1013

Chang, G. W. (2009). Semigroup rings as weakly factorial domains. Communications in Algebra, 37(9), 3278–3287. https://doi.org/10.1080/00927870802502746

Chang, G. W. (2008). Locally pseudo-valuation domains of the form D[X]Nν. Journal of the Korean Mathematical Society, 45(5), 1405–1416. https://doi.org/10.4134/JKMS.2008.45.5.1405

Chang, G. W. (2008). Prüfer *-multiplication domains, Nagata rings, and Kronecker function rings. Journal of Algebra, 319(1), 309–319. https://doi.org/10.1016/j.jalgebra.2007.10.010

Anderson, D. F. & Chang, G. W. (2007). Almost splitting sets in integral domains, II. Journal of Pure and Applied Algebra, 208(1), 351–359. https://doi.org/10.1016/j.jpaa.2006.01.006

Chang, G. W. & Fontana, M. (2007). Uppers to zero and semistar operations in polynomial rings. Journal of Algebra, 318(1), 484–493. https://doi.org/10.1016/j.jalgebra.2007.06.010

Chang, G. W. (2007). Quasi-invertible prime t-ideals. Houston Journal of Mathematics, 33(2), 385–389.

Chang, G. W. (2007). Spectral localizing systems that are t-splitting multiplicative sets of ideals. Journal of the Korean Mathematical Society, 44(4), 863–872. https://doi.org/10.4134/JKMS.2007.44.4.863

Chang, G. W. (2007). The class group of pullbacks. Communications in Algebra, 35(6), 1895–1901. https://doi.org/10.1080/00927870701246957

Anderson, D. F., Chang, G. W., & Park, J. (2006). Weakly Krull and related domains of the form D+M, A+XB[X] and A+X 2B[X]. Rocky Mountain Journal of Mathematics, 36(1), 1–22. https://doi.org/10.1216/rmjm/1181069485

Chang, G. W. & Zafrullah, M. (2006). The w-integral closure of integral domains. Journal of Algebra, 295(1), 195–210. https://doi.org/10.1016/j.jalgebra.2005.04.025

Chang, G. W. (2006). *-Noetherian domains and the ring D[X]N*. Journal of Algebra, 297(1), 216–233. https://doi.org/10.1016/j.jalgebra.2005.08.020

Anderson, D. F. & Chang, G. W. (2005). Homogeneous splitting sets of a graded integral domain. Journal of Algebra, 288(2), 527–544. https://doi.org/10.1016/j.jalgebra.2005.03.007

Chang, G. W. (2005). Almost splitting sets in integral domains. Journal of Pure and Applied Algebra, 197(1-3), 279–292. https://doi.org/10.1016/j.jpaa.2004.08.035

Chang, G. W. (2005). Strong Mori domains and the ring D[X]Nv. Journal of Pure and Applied Algebra, 197(1-3), 293–304. https://doi.org/10.1016/j.jpaa.2004.08.036

Chang, G. W., Dumitrescu, T., & Zafrullah, M. (2005). T-splitting multiplicative sets of ideals in integral domains. Journal of Pure and Applied Algebra, 197(1-3), 239–248. https://doi.org/10.1016/j.jpaa.2004.08.033

Anderson, D. F. & Chang, G. W. (2004). The class group of D[Γ] for D an integral domain and Γ a numerical semigroup. Communications in Algebra, 32(2), 787–792. https://doi.org/10.1081/AGB-120027929

Chang, G. W. & Park, J. (2004). GCD-sets in integral domains. II. Communications in Algebra, 32(6), 2203–2214. https://doi.org/10.1081/AGB-120037214

Chang, G. W., Dumitrescu, T., & Zafrullah, M. (2004). t-Splitting sets in integral domains. Journal of Pure and Applied Algebra, 187(1-3), 71–86. https://doi.org/10.1016/j.jpaa.2003.07.001

Anderson, D. F. & Chang, G. W. (2003). The class group of integral domains. Journal of Algebra, 264(2), 535–552. https://doi.org/10.1016/S0021-8693(03)00139-X

Anderson, D. F., Chang, G. W., & Park, J. (2003). Generalized weakly factorial domains. Houston Journal of Mathematics, 29(1), 1–13.

Chang, G. W. & Park, J. (2003). Mori domains whose primary t-ideals are valuation ideals. Communications in Algebra, 31(7), 3265–3270. https://doi.org/10.1081/AGB-120022223

Chang, G. W. & Park, J. (2003). Star-invertible ideals of integral domains. Bollettino della Unione Matematica Italiana B, 6(1), 141–150.

Chang, G. W. & Kang, B. G. (2002). Integral closure of a ring whose regular ideals are finitely generated. Journal of Algebra, 251(2), 529–537. https://doi.org/10.1006/jabr.2000.8596

Chang, G. W. (2002). A pinched-Krull domain at a prime ideal. Communications in Algebra, 30(8), 3669–3686. https://doi.org/10.1081/AGB-120005812

Chang, G. W. & Kang, B. G. (2000). On Krull overrings of a marot ring whose regular ideals are finitely generated. Communications in Algebra, 28(5), 2533–2542. https://doi.org/10.1080/00927870008826976

Chang, G. W. (1999). Integral closure of a Marot ring whose regular ideals are finitely generated. Communications in Algebra, 27(4), 1783–1795. https://doi.org/10.1080/00927879908826528