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Articles by Aaron Chew
HASI Announces Third Quarter 2026 Earnings Release Date and Conference Call Original
- ANNAPOLIS, Md.--(BUSINESS WIRE)--HA Sustainable Infrastructure Capital, Inc. (“HASI,” “We,” “Our,” or the “Company”) (NYSE: HASI), a leading investor in sustainable infrastructure assets, today announced that the Company will release its third quarter 2026 results after market close on Thursday, November 5, 2026, to be followed by a conference call at 5:00 p.m. (Eastern Time). The conference call can be accessed live over the phone by dialing 1-888-396-8049 (Toll-Free) or +1-416-764-8646 (toll).
Trump-Xi summit: Leaders meet at White House for high-stakes talks
live World This is their second summit in four months, following Trump's state visit to Beijing in May. President Donald Trump and China's President Xi Jinping participate in an arrival ceremony at Joint Base Andrews, Sep 23, 2026. (Photo: AP/Alex Brandon) New: You can now listen to articles. This audio is generated by an AI tool.
PM Wong, Chan Chun Sing to address political salaries review in parliament
live Singapore Singapore last adjusted the salaries of political office holders and parliamentarians in 2011. Pedestrians walk in front of the parliament building in Singapore, May 2, 2025. (File photo: AP/Vincent Thian) New: You can now listen to articles. This audio is generated by an AI tool.
Nepal-Tibet floods: Authorities warn lakes could breach as search for survivors continues Original
live Asia Nepali Army personnel comfort twin infants during rescue operations in the aftermath of flash floods, at Trishuli camp in Nepal's Nuwakot district on Aug 27, 2026. (Photo: AFP/Prabin Ranabhat) New: You can now listen to articles. This audio is generated by an AI tool. 28 Aug 2026 09:03AM Rescue operations continue for a third day on Friday (Aug 28) after a massive flood swept through a river valley in Nepal and the Tibet region of China.
Faishal Ibrahim resigns: No by-election to be held in Marine Parade-Braddell Heights GRC
live Singapore Prime Minister Lawrence Wong said investigations found the acting minister's interactions with a woman had fallen short of the standards expected of political office holders. Associate Professor Faishal Ibrahim, pictured here on Aug 27, 2025. (Photo: CNA/Tan Grace) New: You can now listen to articles. This audio is generated by an AI tool.
Faishal Ibrahim resigns: Key developments and live updates
live Singapore Prime Minister Lawrence Wong said investigations found the acting minister's interactions with a woman had fallen short of the standards expected of political office holders. Associate Professor Faishal Ibrahim, pictured here on Aug 27, 2025. (Photo: CNA/Tan Grace) New: You can now listen to articles. This audio is generated by an AI tool.
Many-body superconductivity in topological flat bands
Abstract In a flat band superconductor, bosonic excitations disperse while unpaired electrons are immobile. To study this strongly interacting system, we construct a family of multi-band Hubbard models with exact eta-pairing ground states in all space groups. We analytically compute their many-body excitations and find that the Cooper pair bound states obey an effective single-boson hopping Hamiltonian written in terms of the non-interacting wavefunctions.
US and Iran seal agreement, unclear if Strait of Hormuz open
live World The White House said the deal is in effect, according to reports. Ships and tankers in the Strait of Hormuz off the coast of Musandam, Oman, April 18, 2026. (Photo: Reuters/Stringer) New: You can now listen to articles. This audio is generated by an AI tool. 18 Jun 2026 07:49AM (Updated: 18 Jun 2026 07:55AM) The US and Iran have signed an agreement to end their war, officials from both sides said on Wednesday (Jun 17), after more than three months of fighting.
New US strikes on Iran after Trump threatens to hit country 'very hard'
live World US Central Command says the strikes are in response to Iran's "unwarranted and continued aggression". A US Army AH-64D Apache helicopter hovers flies during military exercises of Poland and NATO-allied countries in Orzysz, northwestern Poland on Sep 17, 2025. (File photo: AFP/Wojtek Radwanski) New: You can now listen to articles. This audio is generated by an AI tool.
Budget 2026 to be delivered by Singapore Prime Minister Lawrence Wong
live Singapore Stay updated on Singapore Budget 2026 as we follow PM Wong's key announcements on our live blog, or watch it live on CNA from 3.30pm. New: You can now listen to articles. This audio is generated by an AI tool. 12 Feb 2026 02:29PM SINGAPORE: Prime Minister and Finance Minister Lawrence Wong will deliver Singapore's 2026 Budget on Thursday (Feb 12). This will be his second Budget as the country's prime minister.
HASI Announces Fourth Quarter and Full Year 2025 Earnings Release Date and Conference Call Original
HASI Announces Fourth Quarter and Full Year 2025 Earnings Release Date and Conference Call ANNAPOLIS, Md.--(BUSINESS WIRE)--HA Sustainable Infrastructure Capital, Inc. (“HASI,” “We”, “Our,” or the "Company") (NYSE: HASI), a leading investor in sustainable infrastructure assets, today announced that the Company will release its fourth quarter and full year 2025 results after market close on Thursday, February 12, 2026, to be followed by a conference call at 5:00 p.m. (Eastern Time).
ANNAPOLIS, Md.--(BUSINESS WIRE)--HA Sustainable Infrastructure Capital, Inc. (“HASI,” “We”, “Our,” or the "Company") (NYSE: HASI), a leading investor in sustainable infrastructure assets, today announced that the Company will release its third quarter 2025 results after market close on Thursday, November 6, 2025, to be followed by a conference call at 5:00 p.m. (Eastern Time). The conference call can be accessed live over the phone by dialing 1-877-407-0890 (Toll-Free) or +1-201-389-0918 (toll).
Live: PM Wong's National Day Rally 2025
live Singapore Prime Minister Lawrence Wong will begin his speech in Malay at 6.45pm, followed by Mandarin. The English speech starts at 8pm. New: You can now listen to articles. SINGAPORE: Prime Minister Lawrence Wong will deliver his National Day Rally speech on Sunday evening (Aug 17) from the Institute of Technical Education’s Ang Mo Kio campus.
From the courtroom: Property tycoon Ong Beng Seng to plead guilty
SINGAPORE: Property tycoon Ong Beng Seng, the man who brought Formula 1 to Singapore, is set to plead guilty on Monday (Aug 4). The charges are linked to his dealings with former transport minister S Iswaran. Follow our live coverage.
Israel says Iran has violated ceasefire, orders attack on Tehran
Israeli Defence Minister Israel Katz said on Tuesday (Jun 24) he has ordered the country's military to respond forcefully to what he said was Iran’s violation of a ceasefire with Israel. Israeli Prime Minister Benjamin Netanyahu earlier said Israel has agreed to US President Donald Trump's proposal for a ceasefire with Iran after it achieved its goal of removing Tehran's nuclear and ballistic missile threat.
Trump lauds 'total' ceasefire between Iran and Israel, but Tehran says no such deal
live World New: You can now listen to articles. 24 Jun 2025 08:21AM (Updated: 24 Jun 2025 09:22AM) US President Donald Trump says that Israel and Iran have agreed to a 12-hour ceasefire, claiming that this will be the point at which the conflict between the two countries will be considered ended. In a post on truth social, Mr Trump said the ceasefire would be "complete and total".
Trump says Iran nuclear facilities 'completely and totally obliterated' after US strike
US President Donald Trump said on Saturday (Jun 21) that Iran must now make peace or "we will go after" other targets in Iran, after US strikes that he said "completely and totally obliterated" Iranian nuclear sites. "There will be either peace or there will be tragedy for Iran far greater than we have witnessed over the last eight days," Trump said in a nationally televised speech at the White House.
Trump says US bombs nuclear sites in Iran
The United States attacked nuclear sites in Iran, President Donald Trump annnounced on Saturday (Jun 21). This comes more than a week after Israel began strikes on Iran. Follow live updates: Sign up for our newsletters Get our pick of top stories and thought-provoking articles in your inbox Get the CNA app Stay updated with notifications for breaking news and our best stories Get WhatsApp alerts Join our channel for the top reads for the day on your preferred chat app
Israel attacks Iran's nuclear sites, Revolutionary Guards chief killed
live World Israel on Friday carried out strikes in Iran, a day before talks between the Islamic Republic and the US about Tehran's escalating uranium enrichment program were set to take place in Oman. Follow live coverage.
HASI Announces First Quarter 2025 Earnings Release Date and Conference Call Original
ANNAPOLIS, Md.--(BUSINESS WIRE)--HA Sustainable Infrastructure Capital, Inc. ("HASI," or the "Company") (NYSE: HASI), a leading investor in sustainable infrastructure assets, today announced that the Company will release its first quarter 2025 results after market close on Wednesday, May 7, 2025, to be followed by a conference call at 5:00 p.m. (Eastern Time). The conference call can be accessed live over the phone by dialing 1-877-407-0890 (Toll-Free) or +1-201-389-0918 (toll).
Higher-order topological superconductivity in twisted bilayer graphene
Abstract We show that introducing spin-singlet or spin-triplet superconductivity into twisted bilayer graphene induces higher-order topological superconductivity. Multiple copies of C2zT-protected Majorana Kramers pairs appear at corners on pairing domain walls. The topology originates from the anomaly analyzed in Song et al.—the absence of a lattice support—of the single-valley band structure of twisted bilayer graphene, which is protected by C2zT and approximate particle-hole symmetry P.
Revisiting flat band superconductivity: Dependence on minimal quantum metric and band touchings
Abstract A central result in superconductivity is that flat bands, though dispersionless, can still host a nonzero superfluid weight due to quantum geometry. We show that the derivation of the mean field superfluid weight in previous literature is incomplete, which can lead to severe quantitative and even qualitative errors. We derive the complete equations and demonstrate that the minimal quantum metric, the metric with minimum trace, is related to the superfluid weight in isolated flat bands.
11,000 people cleared Woodlands, Tuas checkpoints in first 7 hours of Singapore-Malaysia land border reopening
SINGAPORE: More than 11,000 travellers cleared the Woodlands and Tuas checkpoints in the first seven hours of the reopening of the Singapore-Malaysia land border, Singapore's Immigration & Checkpoints Authority (ICA) said on Friday (Apr 1). Land borders were fully reopened at midnight, the first time in two years that fully vaccinated people were able to move freely between the two countries without having to quarantine or do COVID-19 tests.
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