On $h$-cobordisms of complexity $2$

Authors: Ladu, Roberto

Subject Terms: Mathematics - Geometric Topology, 57R80, 57R58, 57R55, 57K41

Access URL: http://arxiv.org/abs/2501.08750

Progress in the design of the front-end of the C-Band PAF prototype for the SRT Primary Focus

Authors: Maxia, P., Pisanu, T., Cabras, A., Pilia, S., Caocci, R., Ortu, P., Melis, A., Navarrini, A., Ninni, P. Di, Nesti, R., Comoretto, G., Schirru, L., Belluso, M., Ladu, A., Marongiu, P., Billotta, S.

Source: 2024 4th URSI Atlantic Radio Science Meeting (AT-RASC) URSI Atlantic Radio Science Meeting (AT-RASC), 2024 4th. :1-4 May, 2024

Relation: 2024 4th URSI Atlantic Radio Science Meeting (AT-RASC)

The First High Frequency Technosignature Search Survey with the Sardinia Radio Telescope

Authors: Manunza, Lorenzo, Vendrame, Alice, Pizzuto, Luca, Mulas, Monica, Perez, Karen I., Gajjar, Vishal, Melis, Andrea, Pilia, Maura, Perrodin, Delphine, Aresu, Giambattista, Burgay, Marta, Cabras, Alessandro, Carboni, Giuseppe, Casu, Silvia, Coiana, Tiziana, Corongiu, Alessandro, Croft, Steve, Egron, Elise, Johnson, Owen A., Ladu, Adelaide, Lebofsky, Matt, Loi, Francesca, MacMahon, David, Molinari, Emilio, Murgia, Matteo, Pellizzoni, Alberto, Pisanu, Tonino, Poddighe, Antonio, Rea, Erika, Siemion, Andrew, Soletta, Paolo, Trudu, Matteo, Vacca, Valentina

Subject Terms: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2410.09288

Detection of maser emission at 183 and 380 GHz with ALMA in the gigamaser galaxy TXS2226-184

Authors: Tarchi, A., Castangia, P., Surcis, G., Impellizzeri, V., Ladu, E., Bannikova, E. Yu

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2407.13373

Status of a C-band Phased Array Feed with RFSoC digital beamformer

Authors: Pisanu, T., Maxia, P., Cabras, A., Schirru, L., Ortu, P., Melis, A., Navarrini, A., Belluso, M., Billotta, S., Comoretto, G., Concu, R., Ninni, P. Di, Ladu, A., Marongiu, P., Nesti, R.

Source: 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 2023 XXXVth. :1-4 Aug, 2023

Relation: 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)

Tri-band receivers for the INAF radio telescopes: from procurement to acceptance tests

Authors: Bolli, Pietro, Han, Seog-Tae, Choi, Jihoon, Orfei, Alessandro, Porceddu, Ignazio, Byun, Do-Young, Cattani, Alessandro, Chung, Moon-Hee, Fiocchi, Franco, Gaudiomonte, Francesco, Je, Do-Heung, Ladu, Adelaide, Lee, Jung-Won, Lee, Moon-Hee, Lee, Sung-Mo, Mariotti, Sergio, Marongiu, Pasqualino, Pisanu, Tonino, Poloni, Marco, Roda, Juri, Scalambra, Alessandro, Schirru, Renata, Goldsmith, Paul F.

Source: 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 2023 XXXVth. :1-5 Aug, 2023

Relation: 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)

Study of solar brightness profiles in the 18-26 GHz frequency range with INAF radio telescopes II. Evidence for coronal emission

Authors: Marongiu, M., Pellizzoni, A., Righini, S., Mulas, S., Nesti, R., Burtovoi, A., Romoli, M., Serra, G., Valente, G., Egron, E., Murtas, G., Iacolina, M. N., Melis, A., Guglielmino, S. L., Loru, S., Zucca, P., Zanichelli, A., Bachetti, M., Bemporad, A., Buffa, F., Concu, R., Deiana, G. L., Karakotia, C., Ladu, A., Maccaferri, A., Marongiu, P., Messerotti, M., Navarrini, A., Orfei, A., Ortu, P., Pili, M., Pisanu, T., Pupillo, G., Romano, P., Saba, A., Schirru, L., Tiburzi, C., Abbo, L., Frassati, F., Giarrusso, M., Jerse, G., Landini, F., Pancrazzi, M., Russano, G., Sasso, C., Susino, R.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2402.07018

Study of solar brightness profiles in the 18-26 GHz frequency range with INAF radio telescopes I: solar radius

Authors: Marongiu, M., Pellizzoni, A., Mulas, S., Righini, S., Nesti, R., Murtas, G., Egron, E., Iacolina, M. N., Melis, A., Valente, G., Serra, G., Guglielmino, S. L., Zanichelli, A., Romano, P., Loru, S., Bachetti, M., Bemporad, A., Buffa, F., Concu, R., Deiana, G. L., Karakotia, C., Ladu, A., Maccaferri, A., Marongiu, P., Messerotti, M., Navarrini, A., Orfei, A., Ortu, P., Pili, M., Pisanu, T., Pupillo, G., Saba, A., Schirru, L., Tiburzi, C., Zucca, P.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2401.13198

The Akbulut cork is not universal

Authors: Ladu, Roberto

Subject Terms: Mathematics - Geometric Topology, 57R55, 57R80

Access URL: http://arxiv.org/abs/2311.17028

IC 485:a new candidate disk-maser galaxy at $\sim$100 Mpc distance. Milliarcsecond resolution study of the galaxy nucleus and of the $H_{2}O$ megamaser

Authors: Ladu, E., Tarchi, A., Castangia, P., Surcis, G., Braatz, J. A., Panessa, F., Pesce, D.

Source: A&A 682, A25 (2024)

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2310.08998

Non-smoothable homeomorphisms of $4$-manifolds with boundary

Authors: Galvin, Daniel, Ladu, Roberto

Subject Terms: Mathematics - Geometric Topology, Mathematics - Differential Geometry, 57R35, 57R50, 57R52, 57R10

Access URL: http://arxiv.org/abs/2310.08666

Illegal drugs and socio-economic changes in a new pivotal region: a court judgements perspective

Authors: Anna Bussu, Domenica Giovanna Dettori, Maria Gabriela Ladu, Manuela Pulina

Source: Humanities & Social Sciences Communications, Vol 11, Iss 1, Pp 1-14 (2024)

Subject Terms: History of scholarship and learning. The humanities, AZ20-999, Social Sciences

File Description: electronic resource

Relation: https://doaj.org/toc/2662-9992

Access URL: https://doaj.org/article/12e0be33561a4d77ac4d121e4fcc6e7c

Status of the multibeam S band receiver for the Sardinia Radio Telescope

Authors: Pisanu, T., Valente, G., Marongiu, P., Maxia, P., Ortu, P., Navarrini, A., Ladu, A., Schirru, L., Ghiani, R., Concu, R., Gaudiomonte, F., Angius, G., Cabras, A., Egron, E., Iacolina, N., Vacca, V.

Source: 2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC) Radio Science Meeting (AT-AP-RASC), 2022 3rd URSI Atlantic and Asia Pacific. :1-4 May, 2022

Relation: 2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC)

Feasibility design, comparative evaluation, and energy consumption prediction of standalone hybrid energy system for rural electrification in Ghana using machine learning models

Authors: Sufyan Yakubu, Ravi Samikannu, Abid Yahya, Irfan Anjum Badruddin, Sarfaraz Kamangar, Maruliya Begam Kadarmydeen, Maxmilian Kwarteng, Nyagong Santino David Ladu, Samuel Dodobatia Wetajega

Source: Results in Engineering, Vol 25, Iss , Pp 104269- (2025)

Subject Terms: Hybrid energy system, Solar photovoltaic, Rural electrification, Ghana, Renewable Energy, Technology

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2590123025003548; https://doaj.org/toc/2590-1230

Access URL: https://doaj.org/article/52e5f2ae49f7433e8968b762b55e1ea9

An assessment of the progress made in the implementation of the regional framework for cholera prevention and control in the WHO African region

Authors: Miriam Nanyunja, Allan Mpairwe, Ibrahim Mamadu, Otim Patrick Cossy Ramadan, Mory Keïta, Tamayi Mlanda, Abdou Salam Gueye, Ebenezer Obi Daniel, Etien Luc Koua, Dick Chamla, Fiona Braka, Fred Kapaya, Vincent Dossou Sodjinou, Godwin Akpan, Shikanga O-tipo, Amarachi Tikal Abianuru, John Masina, Alice Igale Ladu, Fred Athanasius Dratibi, Philippe Barboza

Source: BMJ Global Health, Vol 10, Iss 1 (2025)

Subject Terms: Medicine (General), R5-920, Infectious and parasitic diseases, RC109-216

File Description: electronic resource

Relation: https://gh.bmj.com/content/10/1/e016168.full; https://doaj.org/toc/2059-7908

Access URL: https://doaj.org/article/e13363e7401f42a9a4f94fe4b271cc43

A Review of Renewable Energy Resources. Its Potentials, Benefits, and Challenges in South Sudan

Authors: Ladu, Nyagong Santino David, Subburaj, Senthil Kumar, Samikannu, Ravi

Source: 2021 International Conference on Advancements in Electrical, Electronics, Communication, Computing and Automation (ICAECA) Advancements in Electrical, Electronics, Communication, Computing and Automation (ICAECA), 2021 International Conference on. :1-6 Oct, 2021

Relation: 2021 International Conference on Advancements in Electrical, Electronics, Communication, Computing and Automation (ICAECA)

Architecture of C-band Phased Array Feed with RFSoC digital beamformer

Authors: Navarrini, A., Melis, A., Comoretto, G., Pisanu, T., Nesti, R., Marongiu, P., Ortu, P., Maxia, P., Ladu, A., Ghobadi, H., Concu, R., Angius, G., Cabras, A., Schirru, L., Di Ninni, P., Belluso, M., Billotta, S.

Source: 2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC) Radio Science Meeting (AT-AP-RASC), 2022 3rd URSI Atlantic and Asia Pacific. :1-3 May, 2022

Relation: 2022 3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC)

The high-frequency upgrade of the Sardinia Radio Telescope

Authors: Govoni, F., Bolli, P., Buffa, F., Caito, L., Carretti, E., Comoretto, G., Fierro, D., Melis, A., Murgia, M., Navarrini, A., Orfei, A., Orlati, A., Pisanu, T., Poppi, S., Possenti, A., Attoli, A., Becciani, U., Belli, C., Carboni, G., Caria, M.T., Cattani, A., Concu, R., Cresci, L., Fara, A., Fiocchi, F., Gaudiomonte, F., Ladu, A., Maccaferri, A., Mariotti, S., Marongiu, P., Migoni, C., Molinari, E., Morsiani, M., Nesti, R., Olmi, L., Porceddu, I., Righini, S., Ortu, P., Palmas, S., Pili, M., Poddighe, A., Poloni, M., Roda, J., Scalambra, A., Schilliro, F., Schirru, L., Serra, G., Smareglia, R., Vargiu, G.P., Vitello, F.

Source: 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) International Union of Radio Science (URSI GASS), 2021 XXXIVth General Assembly and Scientific Symposium of the. :1-4 Aug, 2021

Relation: 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)

Preliminary tests to design an ad hoc signal acquisition chain for the Sardinia Aperture Array Demonstrator

Authors: Ladu, Adelaide, Schirru, Luca, Melis, Andrea, Perini, Federico, Gaudiomonte, Francesco, Rusticelli, Simone, Schiaffino, Marco, Concu, Raimondo, Mattana, Andrea, Murgia, Matteo

Source: 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) International Union of Radio Science (URSI GASS), 2021 XXXIVth General Assembly and Scientific Symposium of the. :1-4 Aug, 2021

Relation: 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)

Preliminary Characterization of the Digitally Formed Beams of PHAROS2 Phased Array Feed

Authors: Pupillo, Giuseppe, Navarrini, Alessandro, Melis, Andrea, Concu, Raimondo, Ortu, Pierluigi, Marongiu, Pasqualino, Naldi, Giovanni, Rusticelli, Simone, Saba, Andrea, Scalambra, Alessandro, Schirru, Luca, Ladu, Adelaide, Pisanu, Tonino, Urru, Enrico

Source: 2020 50th European Microwave Conference (EuMC) Microwave Conference (EuMC), 2020 50th European. :1035-1038 Jan, 2021

Relation: 2020 50th European Microwave Conference (EuMC)