diff --git a/LICENSE b/LICENSE
index 70f4cac9..9aaec162 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,5 @@
-    (C) Copyright 2025         Salvatore Filippone,  Alfredo Buttari      
+    (C) Copyright 2025         Salvatore Filippone
+    (C) Copyright 2025         Alfredo Buttari	
  
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
diff --git a/cuda/License-spgpu b/cuda/License-spgpu
new file mode 100644
index 00000000..171201d6
--- /dev/null
+++ b/cuda/License-spgpu
@@ -0,0 +1,27 @@
+    (C) Copyright 2011-2026   Davide Barbieri
+    (C) Copyright 2011-2026   Salvatore Filippone
+ 
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions, and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+    3. Neither the of the copyright holder nor the names of its contributors
+       may be used to endorse or promote products derived from this
+       software without specific prior written permission.
+ 
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
+  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  POSSIBILITY OF SUCH DAMAGE.
+ 
diff --git a/cuda/License-spgpu.md b/cuda/License-spgpu.md
deleted file mode 100644
index 7f4b8ff4..00000000
--- a/cuda/License-spgpu.md
+++ /dev/null
@@ -1,21 +0,0 @@
-(c) Copyright 2011-2021 Davide Barbieri, Salvatore Filippone
- 
-  Redistribution and use in source and binary forms, with or without modification, 
-  are permitted provided that the following conditions are met:
-
-  1. Redistributions of source code must retain the above copyright notice, 
-  this list of conditions and the following disclaimer.
-
-  2. Redistributions in binary form must reproduce the above copyright notice, 
-  this list of conditions and the following disclaimer in the documentation and/or 
-  other materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
-  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
-  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
-  SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
-  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
-  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
-  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
-  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
-  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file