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2026/109/3-4 (1) — DOI: 10.5486/PMD.2026.10050 — pp. 265-283
Local support theorem for the exponential Radon transform

Tibor Ódor Orcid.org link for Tibor Ódor and Enikő Dinnyés

2026/109/3-4 (2) — DOI: 10.5486/PMD.2026.10295 — pp. 285-320
Uniqueness and nonexistence of spacelike submanifolds with parallel mean curvature in semi-Euclidean spaces

Marco A. L. Velásquez Orcid.org link for Marco A.  L. Velásquez, Henrique F. de Lima Orcid.org link for  Henrique F. de Lima and José H. H. de Lacerda Orcid.org link for José H.  H. de Lacerda

2026/109/3-4 (3) — DOI: 10.5486/PMD.2026.10376 — pp. 321-341
Generalized Ricci—Bourguignon solitons on Lorentzian para-Sasakian manifolds and their applications in spacetimes

Avijit Sarkar Orcid.org link for Avijit Sarkar, Gaurab Mitra Orcid.org link for  Gaurab Mitra and Tarak Mandal Orcid.org link for Tarak Mandal

2026/109/3-4 (4) — DOI: 10.5486/PMD.2026.10415 — pp. 343-363
Anti-torqued and torqued curves in Riemannian manifolds

Muhittin Evren Aydin Orcid.org link for Muhittin Evren Aydin, Adela Mihai Orcid.org link for  Adela Mihai and Cihan Özgür Orcid.org link for Cihan Özgür

2026/109/3-4 (6) — DOI: 10.5486/PMD.2026.10420 — pp. 389-402
A note on the values of Barnes $G$-function at rational points

N. Saradha Orcid.org link for N. Saradha

2026/109/3-4 (7) — DOI: 10.5486/PMD.2026.10428 — pp. 403-433
Differential smoothness of skew PBW extensions over commutative polynomial rings. II

Andrés Rubiano Orcid.org link for Andrés Rubiano and Armando Reyes Orcid.org link for Armando Reyes

2026/109/3-4 (8) — DOI: 10.5486/PMD.2026.10477 — pp. 435-449
Some vector-valued Banach function algebras, satisfying the Bochner—Eberlein—Doss property

Fatemeh Abtahi Orcid.org link for Fatemeh Abtahi, Fatemeh Doustmohammadi Orcid.org link for  Fatemeh Doustmohammadi and Bahram Ghasemi Orcid.org link for Bahram Ghasemi

2026/109/3-4 (9) — DOI: 10.5486/PMD.2026.10488 — pp. 451-472
On the Diophantine equation $\prod_{i=1}^{m}(a_{i}^{k}-1)=y^{n}$

Shichun Yang Orcid.org link for Shichun Yang and Alain Togbé Orcid.org link for Alain Togbé

2026/109/3-4 (10) — DOI: 10.5486/PMD.2026.10496 — pp. 473-490
Oscillation criterion for combined conditionally oscillatory linear differential equations

Petr Hasil Orcid.org link for Petr Hasil and Michal Veselý Orcid.org link for Michal Veselý

2026/109/3-4 (11) — DOI: 10.5486/PMD.2026.10520 — pp. 491-505
On the Diophantine equation $F_n=F_l^k(F_l^m-1)$

Seyran S. Ibrahimov Orcid.org link for Seyran S. Ibrahimov and Nazim I. Mahmudov Orcid.org link for Nazim I. Mahmudov

2026/109/3-4 (12) — DOI: 10.5486/PMD.2026.10537 — pp. 507-523
The Diophantine equation $(2^{k}-1)(b^{k}-1)=y^{q}$

Chang Liu Orcid.org link for Chang Liu and Bo He Orcid.org link for Bo He