Tootfinder

🔊 #NowPlaying on #BBCRadio3:
#Radio3InConcert
- The BBC Singers at the Aldeburgh Festival.
The BBC Singers at the Aldeburgh Festival in a programme of despair, hope and joy with music by Britten, Schoenberg and, to end, Poulenc's searing Figure humaine.
Relisten now 👇
https://www.bbc.co.uk/programmes/m002djzt

🇺🇦 #NowPlaying on BBCRadio3's #EssentialClassics
Ludwig van Beethoven, Nikolaus Harnoncourt, Chamber Orchestra of Europe, Charlotte Margiono, Rudolf Schasching, Birgit Remmert, Robert Holl, Arnold Schoenberg Chor & Erwin Ortner:
🎵 Symphony No 4 in B flat major, Op 60 (3rd mvt)
https://open.spotify.com/track/58SnQKnGnDvJAWi1bR47P1
Please 🔁 BOOST to share what you like
- your followers don't see if you ⭐ favourite a post

🇺🇦 #NowPlaying on BBCRadio3's #Breakfast
Ludwig van Beethoven, Nikolaus Harnoncourt, Chamber Orchestra of Europe, Charlotte Margiono, Rudolf Schasching, Birgit Remmert, Robert Holl, Arnold Schoenberg Chor & Erwin Ortner:
🎵 Symphony No 4 in B flat major, Op 60 (3rd mvt)
https://open.spotify.com/track/58SnQKnGnDvJAWi1bR47P1

🔊 #NowPlaying on #BBCRadio3:
#ThroughTheNight
- Schoenberg, Gershwin and Rachmaninov
Elim Chan conducts the WDR Symphony Orchestra in Schoenberg's Piano Concerto and Gershwin's Rhapsody in Blue. Kirill Gerstein is the soloist in this sparkling performance.
Relisten now 👇
https://www.bbc.co.uk/programmes/m002fk18

Entrywise transforms preserving matrix positivity and non-positivity
Dominique Guillot, Himanshu Gupta, Prateek Kumar Vishwakarma, Chi Hoi Yip
https://arxiv.org/abs/2507.06076

Entrywise transforms preserving matrix positivity and non-positivity
We characterize real and complex functions which, when applied entrywise to square matrices, yield a positive definite matrix if and only if the original matrix is positive definite. We refer to these transformations as sign preservers. Compared to classical work on entrywise preservers of Schoenberg and others, we completely resolve this problem in the harder fixed dimensional setting, extending a similar recent classification of sign preservers obtained for matrices over finite fields. When t…

🇺🇦 #NowPlaying on #KEXP's #PacificNotions
Karl Schoenberg:
🎵 Sound Sculpture 9
#KarlSchoenberg
https://cyclicaldreams.bandcamp.com/track/sound-sculpture-9
https://open.spotify.com/track/5gA6SW1MqqvuOSwj95h6JY

🇺🇦 #NowPlaying on BBCRadio3's #Breakfast
Adam Schoenberg, Kansas City Symphony & Michael Stern:
🎵 Picture Studies (Pigeons in Flight)
#AdamSchoenberg #KansasCitySymphony #MichaelStern

🇺🇦 #NowPlaying on BBCRadio3's #RecordReview
Joseph Haydn, Nikolaus Harnoncourt, Concentus Musicus Wien & Arnold Schoenberg Chor:
🎵 The Seasons 'Dann bricht'
#JosephHaydn #NikolausHarnoncourt #ConcentusMusicusWien #ArnoldSchoenbergChor

🇺🇦 #NowPlaying on BBCRadio3's #NightTracks
Jameszoo & Asko Schoenberg:
🎵 (Hommage Š qui)
#Jameszoo #AskoSchoenberg

🇺🇦 #NowPlaying on BBCRadio3's #InTune
Linus Ensemble, Schoenberg, Arnold & Johann Strauss II:
🎵 Roses from the South Op.388
#LinusEnsemble #Schoenberg #Arnold #JohannStraussII

🇺🇦 #NowPlaying on BBCRadio3's #ThroughTheNight
Arnold Schoenberg, Esbjerg Ensemble & JŸrgen Lauritsen:
🎵 Die Eiserne Brigade (The Iron Brigade)
#ArnoldSchoenberg #EsbjergEnsemble #JørgenLauritsen
https://open.spotify.com/track/18zBfahqocRCZFhoAEzrop

🇺🇦 #NowPlaying on BBCRadio3's #EssentialClassics
Arnold Schoenberg, Nicolas Bône, Antônio Meneses & Belcea Quartet:
🎵 Verklarte  Nacht   (conclusion)
#ArnoldSchoenberg #NicolasBône #AntônioMeneses #BelceaQuartet
#Spotify